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         <h1>Python Fundamentals</h1>
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 <code>gdp_per_capita</code> and <code>GDP_per_capita</code> are
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@@ -418,8 +418,8 @@ <h3 class="card-title">Objectives</h3>
 tools are built into Python, specialized tools built up from these basic
 units live in <a href="reference.html#library">libraries</a> that can be
 called upon when needed.</p>
-<section id="loading-data-into-python-using-the-pandas-library."><h2 class="section-heading">Loading data into Python using the Pandas library.<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library."></a>
-</h2>
+<section><h2 class="section-heading" id="loading-data-into-python-using-the-pandas-library-">Loading data into Python using the Pandas library.<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library."></a>
+<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library-"></a></h2>
 <hr class="half-width"><p>To begin processing the different GDP data, we need to load it into
 Python. We can do that using a library called <a href="https://pandas.pydata.org/" title="Pandas Documentation" class="external-link">pandas</a>, which is a widely-used Python
 library for statistics, particularly on tabular data. In general, you
@@ -684,8 +684,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 2007     34435.36744  25185.00911</code></pre>
 </div>
 <p><code>.T</code> is short for Transpose.</p>
-</section><section id="accessing-data-in-a-dataframe"><h2 class="section-heading">Accessing data in a dataframe<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
-</h2>
+</section><section><h2 class="section-heading" id="accessing-data-in-a-dataframe">Accessing data in a dataframe<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
+<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a></h2>
 <hr class="half-width"><p>The next question on our minds should be; “now that we’ve loaded our
 data into Python, how do we select or access its values”? DataFrames
 provide each row and column in our table of data with a <em>label</em>.
@@ -809,8 +809,8 @@ <h3 class="callout-title">In the Corner<a class="anchor" aria-label="anchor" hre
 </div>
 </div>
 </div>
-</section><section id="selection-using-slices"><h2 class="section-heading">Selection using slices<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
-</h2>
+</section><section><h2 class="section-heading" id="selection-using-slices">Selection using slices<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
+<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a></h2>
 <hr class="half-width"><p>We have seen that <code>loc</code> and <code>iloc</code> allow us to
 select individual entries in our dataframe. However, they can also be
 used to select a range of rows and columns whose entries we want to
@@ -983,7 +983,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>No, they do not produce the same output! The output of the first
 statement is:</p>
@@ -1038,7 +1038,7 @@ <h3 class="callout-title">Reading Other Data<a class="anchor" aria-label="anchor
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+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>To read in a CSV, we use <code>pd.read_csv</code> and pass the
 filename <code>'data/gapminder_gdp_americas.csv'</code> to it. We also
@@ -1143,7 +1143,7 @@ <h3 class="callout-title">Inspecting Data<a class="anchor" aria-label="anchor" h
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>We can check out the first five rows of
 <code>data_americas_country</code> by executing
@@ -1273,7 +1273,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
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 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1304,7 +1304,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
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 </button>
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 <div class="accordion-body">
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 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1334,7 +1334,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
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 </button>
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+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Creates a substring from index 1 up to (not including) the final
 index, effectively removing the first and last letters from ‘oxygen’</p>
@@ -1363,7 +1363,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
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 </button>
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1410,7 +1410,7 @@ <h3 class="callout-title">Thin Slices<a class="anchor" aria-label="anchor" href=
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 </button>
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 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1471,7 +1471,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Python Fundamentals
         </a>
         <a class="chapter-link float-end" href="03-matplotlib.html" rel="next">
-          Next: Visualizing Tabular... 
+          Next: Visualizing Tabular...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -1482,18 +1482,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/02-read_data.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
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+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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@@ -1518,7 +1518,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/02-read_data.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
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             </li>
           </ul></li>
       </div>
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         <button class="btn btn-secondary dropdown-toggle bordered-button" type="button" id="dropdownMenu1" data-bs-toggle="dropdown" aria-expanded="false">
           <i aria-hidden="true" class="icon" data-feather="eye"></i> Learner View <i data-feather="chevron-down"></i>
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         <a href="index.html">Summary and Setup</a>
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         <a href="01-intro.html">1. Python Fundamentals</a>
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         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
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         <ul><li><a href="#visualizing-data">Visualizing data</a></li>
@@ -231,7 +231,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
 <li><a href="#adding-labels">Adding labels</a></li>
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         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
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             <hr class="half-width resources"><a href="aio.html">See all in one page</a>
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           Previous: Reading Tabular Data
         </a>
         <a class="chapter-link float-end" href="04-lists.html" rel="next">
-          Next: Storing Multiple... 
+          Next: Storing Multiple...
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         </a>
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Visualizing Tabular Data</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/03-matplotlib.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
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         </div>
@@ -409,8 +409,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 </div>
 </div>
-<section id="visualizing-data"><h2 class="section-heading">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
-</h2>
+<section><h2 class="section-heading" id="visualizing-data">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
+<a class="anchor" aria-label="anchor" href="#visualizing-data"></a></h2>
 <hr class="half-width"><p>The mathematician Richard Hamming once said, “The purpose of
 computing is insight, not numbers,” and the best way to develop insight
 is often to visualize data. Visualization deserves an entire lecture of
@@ -466,8 +466,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a>first_five_countries <span class="op">=</span> data_eu.iloc[<span class="dv">0</span>:<span class="dv">5</span>, :]</span>
 <span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>first_five_countries.T.plot()</span></code></pre>
 </div>
-<figure><img src="fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section id="computing-statistics-across-dataframe-axes"><h2 class="section-heading">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
-</h2>
+<figure><img src="fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="computing-statistics-across-dataframe-axes">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
+<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a></h2>
 <hr class="half-width"><p>Let’s begin our analysis of the data by plotting the average GDP
 across Europe, as a function of time. Pandas dataframes have a built-in
 function, <code>mean()</code> that we can use to help us here:</p>
@@ -525,8 +525,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 United Kingdom            19380.472986
 dtype: float64</code></pre>
 </div>
-<figure><img src="fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section id="plotting-statistics"><h2 class="section-heading">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
-</h2>
+<figure><img src="fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="plotting-statistics">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
+<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a></h2>
 <hr class="half-width"><p>The <code>plot</code> method called directly from our dataframe is
 implicitly using <code>matplotlib</code>’s <code>pyplot.plot</code>
 function. Whilst calling <code>plot</code> directly from a dataset can
@@ -583,8 +583,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a>plt.plot(mean_gdp_each_year)</span>
 <span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a>plt.show()</span></code></pre>
 </div>
-</section><section id="grouping-plots"><h2 class="section-heading">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
-</h2>
+</section><section><h2 class="section-heading" id="grouping-plots">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
+<a class="anchor" aria-label="anchor" href="#grouping-plots"></a></h2>
 <hr class="half-width"><p>So far, <code>matplotlib</code>’s plot hasn’t done much more than
 dataframe’s <code>plot</code> function did - but that changes now. It is
 often the case where we will want to display multiple statistics
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 <p>There are a ton of options to pick from here, but an example that
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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         <h1>Storing Multiple Values in Lists</h1>
         <p>Last updated on 2024-02-23 |
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 have to load a library to use them. We create a list by putting values
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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         <h1>Making Choices</h1>
         <p>Last updated on 2024-02-23 |
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 automatically recognize the different features we saw, and take a
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 <hr class="half-width"><p>Now that we’ve seen how conditionals work, we can use them to check
 for the suspicious features we saw in our inflammation data. We are
 about to use functions provided by the <code>pandas</code> module again.
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/07-cond.html",
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         <h1>Creating Functions</h1>
         <p>Last updated on 2024-02-23 |
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 access to the value that we returned.</p>
-<section id="composing-functions"><h2 class="section-heading">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
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 <hr class="half-width"><p>Now that we have a function to calculate the volume of a cylinder, we
 can start to estimate the bill sizes of our penguins. From the
 researcher’s explanation, the bill size of a penguin can be worked out
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 shown here — typically half a dozen to a few dozen lines — but they
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 won’t be able to understand what’s going on.</p>
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 <hr class="half-width"><p>In composing our <code>cylinder_volume</code> function, we created
 variables <em>inside</em> of those functions —
 <code>culmen_radius</code> and <code>culmen_size</code> inside
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 <hr class="half-width"><p>Now that we know how to wrap bits of code up in functions, we can
 make our analysis of the size of penguin bills easier to read and reuse.
 The researcher was interested in whether different penguin species have
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 <p>It converts temperature between Fahrenheit and Kelvin degrees.
 Probably, it would have been easier to understand if written in this
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 <hr class="half-width"><p>Now that we know how to wrap bits of code up in functions, we can
 make our GDP analysis easier to read and easier to reuse. First, let’s
 make a <code>visualize</code> function that generates our plots:</p>
@@ -1107,8 +1107,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 and understand what is happening in the <code>for</code> loop. Even
 better, if at some later date we want to use either of those pieces of
 code again, we can do so in a single line.</p>
-</section><section id="testing-and-documenting"><h2 class="section-heading">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
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+<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a></h2>
 <hr class="half-width"><p>Once we start putting things in functions so that we can re-use them,
 we need to start testing that those functions are working correctly. To
 see how to do this, let’s write a function to convert values between USD
@@ -1227,8 +1227,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
     &gt;&gt;&gt; usd_to_gbp(10, 0.80)
     8.</code></pre>
 </div>
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+<a class="anchor" aria-label="anchor" href="#defining-defaults"></a></h2>
 <hr class="half-width"><p>We have passed parameters to functions in two ways: directly, as in
 <code>type(data)</code>, and by name, as in
 <code>pd.read_csv(filename, index_col='country')</code>. but we still
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           Previous: Making Choices
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
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+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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         <h1>Errors and Exceptions</h1>
         <p>Last updated on 2024-02-23 |
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 IndexError                                Traceback (most recent call last)
 &lt;ipython-input-7-3ad455d81842&gt; in &lt;module&gt;
      16     print_message(7)
-     17 
+     17
 ---&gt; 18 print_sunday_message()
-     19 
+     19
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_sunday_message()
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      15 def print_sunday_message():
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-     17 
+     17
      18 print_sunday_message()
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_message(day)
      11         'Aw, the weekend is almost over.'
      12     ]
 ---&gt; 13     print(messages[day])
-     14 
+     14
      15 def print_sunday_message():
 
 IndexError: list index out of range</code></pre>
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+<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a></h2>
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 and occurs when you try to use a variable that does not exist. For
 example:</p>
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 NameError: name 'count' is not defined</code></pre>
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 <hr class="half-width"><p>Next up are errors having to do with containers (like lists and
 strings) and the items within them. If you try to access an item in a
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 <hr class="half-width"><p>The last type of error we’ll cover today are those associated with
 reading and writing files: <code>FileNotFoundError</code>. If you try to
 read a file that does not exist, you will receive a
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 <div class="accordion-body">
 <p><code>IndexError</code>; the last entry is <code>seasons[3]</code>,
 so <code>seasons[4]</code> doesn’t make sense. A fixed version is:</p>
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           Previous: Creating Functions
         </a>
         <a class="chapter-link float-end" href="10-defensive.html" rel="next">
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         </a>
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       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/09-errors.html",
   "dateCreated": "2014-11-25",
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+  "datePublished": "2024-07-09"
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         <h1>Defensive Programming</h1>
         <p>Last updated on 2024-02-23 |
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 not slow it down. As in real carpentry — the kind done with lumber — the
 time saved by measuring carefully before cutting a piece of wood is much
 greater than the time that measuring takes.</p>
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 <hr class="half-width"><p>The first step toward getting the right answers from our programs is
 to assume that mistakes <em>will</em> happen and to guard against them.
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 self) that this bit is tricky.</p>
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 the program. The next step is to check the overall behavior of a piece
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/10-defensive.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
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         <h1>Debugging</h1>
         <p>Last updated on 2024-02-23 |
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 testing). The more experienced a programmer is, the more systematically
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 correctness of their code (just as we did in the <a href="02-numpy.html">opening lesson</a> of this tutorial). This should
 only be used for debugging as a last resort, though, since it’s very
 hard to compare two visualizations automatically.</p></li>
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 always to find a test case that <em>makes it fail every time</em>. The
 “every time” part is important because few things are more frustrating
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 likely to happen when we’re tired, frustrated, and up against a
 deadline, which is one of the reasons late-night (or overnight) coding
 sessions are almost never worthwhile.</p>
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 that <em>isn’t</em> run as part of a test means more than one thing we
 don’t need to worry about.</p></li>
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 <hr class="half-width"><p>Replacing random chunks of code is unlikely to do much good. (After
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 And we should re-run <em>all</em> of our tests: more than half of fixes
 made to code introduce (or re-introduce) bugs, so re-running all of our
 tests tells us whether we have regressed.</p>
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+<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a></h2>
 <hr class="half-width"><p>Good scientists keep track of what they’ve done so that they can
 reproduce their work, and so that they don’t waste time repeating the
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 <hr class="half-width"><p>And speaking of help: if we can’t find a bug in 10 minutes, we should
 <em>be humble</em> and ask for help. Explaining the problem to someone
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         <h1>Command-Line Programs</h1>
         <p>Last updated on 2024-02-23 |
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 <hr class="half-width"><p>We are going to create a file with our python code in, then use the
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 <hr class="half-width"><p>The next thing our program has to do is read data from standard input
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/12-cmdline.md" class="external-link">Edit on GitHub</a>
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 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
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+<a class="anchor" aria-label="anchor" href="#instructional-material"></a></h2>
 <hr class="half-width"><p>All Carpentries (Software Carpentry, Data Carpentry, and Library
 Carpentry) instructional material is made available under the <a href="https://creativecommons.org/licenses/by/4.0/" class="external-link">Creative Commons
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@@ -405,8 +405,8 @@ <h1>Licenses</h1>
 permissions necessary for your intended use. For example, other rights
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 material.</li>
-</ul></section><section id="software"><h2 class="section-heading">Software<a class="anchor" aria-label="anchor" href="#software"></a>
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+</ul></section><section><h2 class="section-heading" id="software">Software<a class="anchor" aria-label="anchor" href="#software"></a>
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 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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+<a class="anchor" aria-label="anchor" href="#trademark"></a></h2>
 <hr class="half-width"><p>“The Carpentries”, “Software Carpentry”, “Data Carpentry”, and
 “Library Carpentry” and their respective logos are registered trademarks
 of <a href="https://communityin.org/" class="external-link">Community Initiatives</a>.</p>
@@ -454,18 +454,18 @@ <h1>Licenses</h1>
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
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+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/LICENSE.md" class="external-link">Edit on GitHub</a>
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+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
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 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
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+
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@@ -490,7 +490,7 @@ <h1>Licenses</h1>
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/LICENSE.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
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@@ -46,7 +46,7 @@
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         <h1>Additional material</h1>
         <p>Last updated on 2024-02-23 |
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 <p>A collection of facts about Python that do not fit into the main
 lesson either due to the scope or time constraints of the main
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-</h2>
+<section><h2 class="section-heading" id="jupyter-notebookipython-whos-who-in-memory">Jupyter Notebook/IPython: Who’s Who in Memory<a class="anchor" aria-label="anchor" href="#jupyter-notebookipython-whos-who-in-memory"></a>
+<a class="anchor" aria-label="anchor" href="#jupyter-notebookipython-whos-who-in-memory"></a></h2>
 <hr class="half-width"><p>You can use the <code>%whos</code> command at any time to see what
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@@ -505,18 +505,18 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/instructors/additional_material.md" class="external-link">Edit on GitHub</a>
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+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
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 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
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         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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@@ -763,7 +767,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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@@ -798,7 +802,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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@@ -845,7 +849,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-02-read_data"><p>Content from <a href="02-read_data.html">Reading Tabular Data into DataFrames</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/02-read_data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -888,7 +892,8 @@ <h3 class="card-title">Objectives</h3>
 tools are built into Python, specialized tools built up from these basic
 units live in <a href="reference.html#library">libraries</a> that can be
 called upon when needed.</p>
-<section id="loading-data-into-python-using-the-pandas-library."><h2 class="section-heading">Loading data into Python using the Pandas library.<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library."></a>
+<section><h2 class="section-heading" id="loading-data-into-python-using-the-pandas-library-">Loading data into Python using the Pandas library.<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library."></a>
+<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library-"></a>
 </h2>
 <hr class="half-width">
 <p>To begin processing the different GDP data, we need to load it into
@@ -1155,7 +1160,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 2007     34435.36744  25185.00911</code></pre>
 </div>
 <p><code>.T</code> is short for Transpose.</p>
-</section><section id="accessing-data-in-a-dataframe"><h2 class="section-heading">Accessing data in a dataframe<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
+</section><section><h2 class="section-heading" id="accessing-data-in-a-dataframe">Accessing data in a dataframe<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
+<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
 </h2>
 <hr class="half-width">
 <p>The next question on our minds should be; “now that we’ve loaded our
@@ -1281,7 +1287,8 @@ <h3 class="callout-title">In the Corner<a class="anchor" aria-label="anchor" hre
 </div>
 </div>
 </div>
-</section><section id="selection-using-slices"><h2 class="section-heading">Selection using slices<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
+</section><section><h2 class="section-heading" id="selection-using-slices">Selection using slices<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
+<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
 </h2>
 <hr class="half-width">
 <p>We have seen that <code>loc</code> and <code>iloc</code> allow us to
@@ -1458,7 +1465,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>No, they do not produce the same output! The output of the first
 statement is:</p>
@@ -1513,7 +1520,7 @@ <h3 class="callout-title">Reading Other Data<a class="anchor" aria-label="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>To read in a CSV, we use <code>pd.read_csv</code> and pass the
 filename <code>'data/gapminder_gdp_americas.csv'</code> to it. We also
@@ -1620,7 +1627,7 @@ <h3 class="callout-title">Inspecting Data<a class="anchor" aria-label="anchor" h
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>We can check out the first five rows of
@@ -1754,7 +1761,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
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 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 <div class="accordion-body">
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@@ -1785,7 +1792,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
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@@ -1815,7 +1822,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
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 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Creates a substring from index 1 up to (not including) the final
 index, effectively removing the first and last letters from ‘oxygen’</p>
@@ -1844,7 +1851,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
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 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
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@@ -1891,7 +1898,7 @@ <h3 class="callout-title">Thin Slices<a class="anchor" aria-label="anchor" href=
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 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
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@@ -1945,7 +1952,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-03-matplotlib"><p>Content from <a href="03-matplotlib.html">Visualizing Tabular Data</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/03-matplotlib.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -1977,7 +1984,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 </div>
 </div>
-<section id="visualizing-data"><h2 class="section-heading">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
+<section><h2 class="section-heading" id="visualizing-data">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
+<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
 </h2>
 <hr class="half-width">
 <p>The mathematician Richard Hamming once said, “The purpose of
@@ -2035,7 +2043,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a>first_five_countries <span class="op">=</span> data_eu.iloc[<span class="dv">0</span>:<span class="dv">5</span>, :]</span>
 <span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>first_five_countries.T.plot()</span></code></pre>
 </div>
-<figure><img src="fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section id="computing-statistics-across-dataframe-axes"><h2 class="section-heading">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
+<figure><img src="fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="computing-statistics-across-dataframe-axes">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
+<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
 </h2>
 <hr class="half-width">
 <p>Let’s begin our analysis of the data by plotting the average GDP
@@ -2095,7 +2104,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 United Kingdom            19380.472986
 dtype: float64</code></pre>
 </div>
-<figure><img src="fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section id="plotting-statistics"><h2 class="section-heading">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
+<figure><img src="fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="plotting-statistics">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
+<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
 </h2>
 <hr class="half-width">
 <p>The <code>plot</code> method called directly from our dataframe is
@@ -2154,7 +2164,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a>plt.plot(mean_gdp_each_year)</span>
 <span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a>plt.show()</span></code></pre>
 </div>
-</section><section id="grouping-plots"><h2 class="section-heading">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
+</section><section><h2 class="section-heading" id="grouping-plots">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
+<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
 </h2>
 <hr class="half-width">
 <p>So far, <code>matplotlib</code>’s plot hasn’t done much more than
@@ -2243,7 +2254,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 </div>
 </div>
-</section><section id="adding-labels"><h2 class="section-heading">Adding labels<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
+</section><section><h2 class="section-heading" id="adding-labels">Adding labels<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
+<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
 </h2>
 <hr class="half-width">
 <p>Just because we have plotted some statistics doesn’t mean our plot is
@@ -2314,7 +2326,7 @@ <h3 class="callout-title">Setting limits for the axes<a class="anchor" aria-labe
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>To fix this for the first subplot, we can set the y-axis limits to
 the overall minimum and maximum values of the dataframe.</p>
@@ -2368,7 +2380,7 @@ <h3 class="callout-title">Drawstyles<a class="anchor" aria-label="anchor" href="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>There are a ton of options to pick from here, but an example that
 draws a dashed, red line with crosses marking the datapoints is
@@ -2402,7 +2414,7 @@ <h3 class="callout-title">Make Your Own Plot<a class="anchor" aria-label="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2436,7 +2448,7 @@ <h3 class="callout-title">Moving Plots Around<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2489,7 +2501,7 @@ <h3 class="callout-title">Moving Plots Around<em> (continued)</em><a class="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>Change the figure size to be taller than wider.</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -2577,7 +2589,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Since the row axis (0) is countries, it does not make sense to get
 the difference between two arbitrary countries. The column axis (1) is
@@ -2611,7 +2623,7 @@ <h3 class="callout-title">Change In GDP<em> (continued)</em><a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>By using the <code>DataFrame.max()</code> function after you apply
 the <code>Dataframe.diff()</code> function, you will get the largest
@@ -2689,7 +2701,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-04-lists"><p>Content from <a href="04-lists.html">Storing Multiple Values in Lists</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/04-lists.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -2733,7 +2745,8 @@ <h3 class="card-title">Objectives</h3>
 we have to process. In Python, a list is a way to store multiple values
 together. In this episode, we will learn how to store multiple values in
 a list as well as how to work with lists.</p>
-<section id="python-lists"><h2 class="section-heading">Python lists<a class="anchor" aria-label="anchor" href="#python-lists"></a>
+<section><h2 class="section-heading" id="python-lists">Python lists<a class="anchor" aria-label="anchor" href="#python-lists"></a>
+<a class="anchor" aria-label="anchor" href="#python-lists"></a>
 </h2>
 <hr class="half-width">
 <p>Unlike dataframes, lists are built into the language so we do not
@@ -3325,7 +3338,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-05-loop"><p>Content from <a href="05-loop.html">Repeating Actions with Loops</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/05-loop.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
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 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb21">
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@@ -3678,7 +3691,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The body of the loop is executed 6 times.</p>
 </div>
@@ -3714,7 +3727,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3747,7 +3760,7 @@ <h3 class="callout-title">Summing a list<a class="anchor" aria-label="anchor" hr
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb26">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3810,7 +3823,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3843,7 +3856,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div></section><section id="aio-06-files"><p>Content from <a href="06-files.html">Analyzing Data from Multiple Files</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/06-files.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -3898,7 +3911,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="output" tabindex="0"><code>['gapminder_gdp_americas.csv', 'gapminder_gdp_africa.csv', 'gapminder_gdp_europe.csv', 
+<pre class="output" tabindex="0"><code>['gapminder_gdp_americas.csv', 'gapminder_gdp_africa.csv', 'gapminder_gdp_europe.csv',
 'gapminder_gdp_asia.csv', 'gapminder_gdp_oceania.csv']</code></pre>
 </div>
 <p>As these examples show, <code>glob.glob</code>’s result is a list of
@@ -4130,7 +4143,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div></section><section id="aio-07-cond"><p>Content from <a href="07-cond.html">Making Choices</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/07-cond.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -4168,7 +4181,8 @@ <h3 class="card-title">Objectives</h3>
 automatically recognize the different features we saw, and take a
 different action for each? In this lesson, we’ll learn how to write code
 that runs only when certain conditions are true.</p>
-<section id="conditionals"><h2 class="section-heading">Conditionals<a class="anchor" aria-label="anchor" href="#conditionals"></a>
+<section><h2 class="section-heading" id="conditionals">Conditionals<a class="anchor" aria-label="anchor" href="#conditionals"></a>
+<a class="anchor" aria-label="anchor" href="#conditionals"></a>
 </h2>
 <hr class="half-width">
 <p>We can ask Python to take different actions, depending on a
@@ -4308,7 +4322,8 @@ <h3 class="callout-title">
 </div>
 </div>
 </div>
-</section><section id="checking-our-data"><h2 class="section-heading">Checking our Data<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
+</section><section><h2 class="section-heading" id="checking-our-data">Checking our Data<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
+<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we’ve seen how conditionals work, we can use them to check
@@ -4909,7 +4924,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-08-func"><p>Content from <a href="08-func.html">Creating Functions</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/08-func.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -5096,7 +5111,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 <p>We’ve successfully called the function that we defined, and we have
 access to the value that we returned.</p>
-<section id="composing-functions"><h2 class="section-heading">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
+<section><h2 class="section-heading" id="composing-functions">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
+<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we have a function to calculate the volume of a cylinder, we
@@ -5135,7 +5151,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 shown here — typically half a dozen to a few dozen lines — but they
 shouldn’t ever be much longer than that, or the next person who reads it
 won’t be able to understand what’s going on.</p>
-</section><section id="variable-scope"><h2 class="section-heading">Variable Scope<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
+</section><section><h2 class="section-heading" id="variable-scope">Variable Scope<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
+<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
 </h2>
 <hr class="half-width">
 <p>In composing our <code>cylinder_volume</code> function, we created
@@ -5226,7 +5243,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 </div>
 </div>
-</section><section id="tidying-up"><h2 class="section-heading">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
+</section><section><h2 class="section-heading" id="tidying-up">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
+<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we know how to wrap bits of code up in functions, we can
@@ -5317,7 +5335,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5364,7 +5382,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Python will first execute the function <code>add</code> with
 <code>a = 7</code> and <code>b = 3</code>, and, therefore, print
@@ -5410,7 +5428,7 @@ <h3 class="callout-title">Rescaling an Array<a class="anchor" aria-label="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb24">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5459,7 +5477,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5502,7 +5520,7 @@ <h3 class="callout-title">Variables Inside and Outside Functions<em>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>It converts temperature between Fahrenheit and Kelvin degrees.
 Probably, it would have been easier to understand if written in this
@@ -5544,7 +5562,7 @@ <h3 class="callout-title">Producing a scatter plot<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5569,7 +5587,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 </div>
 </div>
-</section><section id="tidying-up-1"><h2 class="section-heading">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
+</section><section><h2 class="section-heading" id="tidying-up-1">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
+<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we know how to wrap bits of code up in functions, we can
@@ -5642,7 +5661,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 and understand what is happening in the <code>for</code> loop. Even
 better, if at some later date we want to use either of those pieces of
 code again, we can do so in a single line.</p>
-</section><section id="testing-and-documenting"><h2 class="section-heading">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
+</section><section><h2 class="section-heading" id="testing-and-documenting">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
+<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
 </h2>
 <hr class="half-width">
 <p>Once we start putting things in functions so that we can re-use them,
@@ -5763,7 +5783,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
     &gt;&gt;&gt; usd_to_gbp(10, 0.80)
     8.</code></pre>
 </div>
-</section><section id="defining-defaults"><h2 class="section-heading">Defining Defaults<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
+</section><section><h2 class="section-heading" id="defining-defaults">Defining Defaults<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
+<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
 </h2>
 <hr class="half-width">
 <p>We have passed parameters to functions in two ways: directly, as in
@@ -5959,7 +5980,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Attempting to define the <code>numbers</code> function results in
 <code>4. SyntaxError</code>. The defined parameters <code>two</code> and
@@ -6012,7 +6033,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-09-errors"><p>Content from <a href="09-errors.html">Errors and Exceptions</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/09-errors.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
@@ -6184,22 +6205,22 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 IndexError                                Traceback (most recent call last)
 &lt;ipython-input-7-3ad455d81842&gt; in &lt;module&gt;
      16     print_message(7)
-     17 
+     17
 ---&gt; 18 print_sunday_message()
-     19 
+     19
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_sunday_message()
-     14 
+     14
      15 def print_sunday_message():
 ---&gt; 16     print_message(7)
-     17 
+     17
      18 print_sunday_message()
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_message(day)
      11         'Aw, the weekend is almost over.'
      12     ]
 ---&gt; 13     print(messages[day])
-     14 
+     14
      15 def print_sunday_message():
 
 IndexError: list index out of range</code></pre>
@@ -6212,7 +6233,7 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>3 levels</li>
@@ -6242,7 +6263,8 @@ <h3 class="callout-title">Better errors on newer Pythons<a class="anchor" aria-l
 </div>
 </div>
 </div>
-<section id="syntax-errors"><h2 class="section-heading">Syntax Errors<a class="anchor" aria-label="anchor" href="#syntax-errors"></a>
+<section><h2 class="section-heading" id="syntax-errors">Syntax Errors<a class="anchor" aria-label="anchor" href="#syntax-errors"></a>
+<a class="anchor" aria-label="anchor" href="#syntax-errors"></a>
 </h2>
 <hr class="half-width">
 <p>When you forget a colon at the end of a line, accidentally add one
@@ -6339,7 +6361,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 </div>
 </div>
 </div>
-</section><section id="variable-name-errors"><h2 class="section-heading">Variable Name Errors<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
+</section><section><h2 class="section-heading" id="variable-name-errors">Variable Name Errors<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
+<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
 </h2>
 <hr class="half-width">
 <p>Another very common type of error is called a <code>NameError</code>,
@@ -6434,7 +6457,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 
 NameError: name 'count' is not defined</code></pre>
 </div>
-</section><section id="index-errors"><h2 class="section-heading">Index Errors<a class="anchor" aria-label="anchor" href="#index-errors"></a>
+</section><section><h2 class="section-heading" id="index-errors">Index Errors<a class="anchor" aria-label="anchor" href="#index-errors"></a>
+<a class="anchor" aria-label="anchor" href="#index-errors"></a>
 </h2>
 <hr class="half-width">
 <p>Next up are errors having to do with containers (like lists and
@@ -6475,7 +6499,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 <p>Here, Python is telling us that there is an <code>IndexError</code>
 in our code, meaning we tried to access a list index that did not
 exist.</p>
-</section><section id="file-errors"><h2 class="section-heading">File Errors<a class="anchor" aria-label="anchor" href="#file-errors"></a>
+</section><section><h2 class="section-heading" id="file-errors">File Errors<a class="anchor" aria-label="anchor" href="#file-errors"></a>
+<a class="anchor" aria-label="anchor" href="#file-errors"></a>
 </h2>
 <hr class="half-width">
 <p>The last type of error we’ll cover today are those associated with
@@ -6570,7 +6595,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p><code>SyntaxError</code> for missing <code>():</code> at end of first
 line, <code>IndentationError</code> for mismatch between second and
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 <p><code>IndexError</code>; the last entry is <code>seasons[3]</code>,
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 <hr>
 <p>Last updated on 2024-02-23 |
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 not slow it down. As in real carpentry — the kind done with lumber — the
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 <p>Last updated on 2024-02-23 |
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 testing). The more experienced a programmer is, the more systematically
 they debug, and most follow some variation on the rules explained
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 <p>The first step in debugging something is to <em>know what it’s
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 correctness of their code (just as we did in the <a href="02-numpy.html">opening lesson</a> of this tutorial). This should
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 <p>We can only debug something when it fails, so the second step is
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 likely to happen when we’re tired, frustrated, and up against a
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 <p>If it takes 20 minutes for the bug to surface, we can only do three
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 <p>Replacing random chunks of code is unlikely to do much good. (After
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 <hr class="half-width">
 <p>Good scientists keep track of what they’ve done so that they can
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 </div>
 </div>
 </div>
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 <hr>
 <p>Last updated on 2024-02-23 |
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 We’ll tackle these questions in turn below.</p>
-<section id="command-line-arguments"><h2 class="section-heading">Command-Line Arguments<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a>
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 <hr class="half-width">
 <p>We are going to create a file with our python code in, then use the
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 </div>
 </div>
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+<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a>
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 <hr class="half-width">
 <p>The next step is to teach our program how to handle multiple files.
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 </div>
 </div>
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+<a class="anchor" aria-label="anchor" href="#handling-command-line-flags"></a>
 </h2>
 <hr class="half-width">
 <p>The next step is to teach our program to pay attention to the
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 </div>
 <p>This is four lines longer than its predecessor, but broken into more
 digestible chunks of 8 and 12 lines.</p>
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 <hr class="half-width">
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@@ -8782,18 +8819,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 <div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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-</section><section id="the-call-stack"><h2 class="section-heading">The Call Stack<a class="anchor" aria-label="anchor" href="#the-call-stack"></a>
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+</section><section><h2 class="section-heading" id="the-call-stack">The Call Stack<a class="anchor" aria-label="anchor" href="#the-call-stack"></a>
+<a class="anchor" aria-label="anchor" href="#the-call-stack"></a></h2>
 <hr class="half-width"><p>Let’s take a closer look at what happens when we call
 <code>fahr_to_celsius(32.0)</code>. To make things clearer, we’ll start
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
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         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
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             <hr class="half-width resources">
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             <hr class="d-none d-sm-block d-md-none">
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@@ -537,18 +537,18 @@ <h3 id="10-defensive-figure-1">Figure 1</h3>
 <div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
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@@ -573,8 +573,8 @@ <h3 id="10-defensive-figure-1">Figure 1</h3>
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/images.html",
   "dateCreated": "2014-11-25",
-  "dateModified": "2024-07-02",
-  "datePublished": "2024-07-02"
+  "dateModified": "2024-07-09",
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 91de052..79a3586 100644
--- a/index.html
+++ b/index.html
@@ -46,7 +46,7 @@
             </li>
           </ul></li>
       </div>
-      
+
       <div class="dropdown" id="instructor-dropdown">
         <button class="btn btn-secondary dropdown-toggle bordered-button" type="button" id="dropdownMenu1" data-bs-toggle="dropdown" aria-expanded="false">
           <i aria-hidden="true" class="icon" data-feather="eye"></i> Learner View <i data-feather="chevron-down"></i>
@@ -170,7 +170,7 @@ <h2 class="accordion-header" id="flush-headingNine">
                 </div><!--/div.accordion-flush-->
               </div><!--div.sidenav-view-selector -->
             </div><!--/div.col -->
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             <hr></div><!--/div.mobile-row -->
 
           <div class="accordion accordion-flush" id="accordionFlush11">
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         </span>
       </button>
     </div><!--/div.accordion-header-->
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     <div id="flush-collapsecurrent" class="accordion-collapse collapse show" aria-labelledby="flush-headingcurrent" data-bs-parent="#accordionFlushcurrent">
       <div class="accordion-body">
         <ul><li><a href="#overview">Overview</a></li>
@@ -206,7 +206,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
 <li><a href="#option-c-plain-vanilla-python-interpreter">Option C: plain-vanilla Python interpreter</a></li>
         </ul></div><!--/div.accordion-body-->
     </div><!--/div.accordion-collapse-->
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   </div><!--/div.accordion-item-->
 </div><!--/div.accordion-flush-->
 
@@ -215,7 +215,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading2">
         <a href="01-intro.html">1. Python Fundamentals</a>
     </div><!--/div.accordion-header-->
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   </div><!--/div.accordion-item-->
 </div><!--/div.accordion-flush-->
 
@@ -224,7 +224,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading3">
         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
     </div><!--/div.accordion-header-->
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   </div><!--/div.accordion-item-->
 </div><!--/div.accordion-flush-->
 
@@ -233,7 +233,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading4">
         <a href="03-matplotlib.html">3. Visualizing Tabular Data</a>
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   </div><!--/div.accordion-item-->
 </div><!--/div.accordion-flush-->
 
@@ -242,7 +242,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading5">
         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
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@@ -251,7 +251,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading6">
         <a href="05-loop.html">5. Repeating Actions with Loops</a>
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@@ -260,7 +260,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading7">
         <a href="06-files.html">6. Analyzing Data from Multiple Files</a>
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@@ -269,7 +269,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading8">
         <a href="07-cond.html">7. Making Choices</a>
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@@ -278,7 +278,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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         <a href="08-func.html">8. Creating Functions</a>
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@@ -287,7 +287,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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         <a href="09-errors.html">9. Errors and Exceptions</a>
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@@ -296,7 +296,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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@@ -314,7 +314,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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         <a href="12-cmdline.html">12. Command-Line Programs</a>
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@@ -346,10 +346,10 @@ <h2 class="accordion-header" id="flush-headingTwelve">
               </div>
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             <hr class="d-none d-sm-block d-md-none"><div class="d-grid gap-1">
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           </div><!-- /div.accordion -->
         </div><!-- /div.sidebar-inner -->
@@ -431,13 +431,13 @@ <h3 id="getting-started">Getting Started<a class="anchor" aria-label="anchor" hr
 </div>
 
 
-      <section id="setup"><section id="overview"><h2 class="section-heading">Overview<a class="anchor" aria-label="anchor" href="#overview"></a>
-</h2>
+      <section id="setup"><section><h2 class="section-heading" id="overview">Overview<a class="anchor" aria-label="anchor" href="#overview"></a>
+<a class="anchor" aria-label="anchor" href="#overview"></a></h2>
 <hr class="half-width"><p>This lesson is designed to be run on a personal computer. All of the
 software and data used in this lesson are freely available online, and
 instructions on how to obtain them are provided below.</p>
-</section><section id="install-python"><h2 class="section-heading">Install Python<a class="anchor" aria-label="anchor" href="#install-python"></a>
-</h2>
+</section><section><h2 class="section-heading" id="install-python">Install Python<a class="anchor" aria-label="anchor" href="#install-python"></a>
+<a class="anchor" aria-label="anchor" href="#install-python"></a></h2>
 <hr class="half-width"><p>In this lesson, we will be using Python 3 with some of its most
 popular scientific libraries. Although one can install a plain-vanilla
 Python and all required libraries by hand, we recommend installing <a href="https://www.anaconda.com/" class="external-link">Anaconda</a>, a Python distribution
@@ -446,8 +446,8 @@ <h3 id="getting-started">Getting Started<a class="anchor" aria-label="anchor" hr
 Carpentries <a href="https://carpentries.github.io/workshop-template/#python" class="external-link">template
 website for workshops</a> and in <a href="https://docs.anaconda.com/anaconda/install" class="external-link">Anaconda
 documentation</a>.</p>
-</section><section id="obtain-lesson-materials"><h2 class="section-heading">Obtain lesson materials<a class="anchor" aria-label="anchor" href="#obtain-lesson-materials"></a>
-</h2>
+</section><section><h2 class="section-heading" id="obtain-lesson-materials">Obtain lesson materials<a class="anchor" aria-label="anchor" href="#obtain-lesson-materials"></a>
+<a class="anchor" aria-label="anchor" href="#obtain-lesson-materials"></a></h2>
 <hr class="half-width"><ol style="list-style-type: decimal"><li>Download <a href="data/python-novice-gapminder-data.zip">python-novice-gapminder-data.zip</a>
 and <a href="files/code/python-novice-gapminder-code.zip">python-novice-gapminder-code.zip</a>.</li>
 <li>Create a folder called <code>swc-python</code> on your Desktop.</li>
@@ -456,15 +456,15 @@ <h3 id="getting-started">Getting Started<a class="anchor" aria-label="anchor" hr
 </ol><p>You should see two folders called <code>data</code> and
 <code>code</code> in the <code>swc-python</code> directory on your
 Desktop.</p>
-</section><section id="launch-python-interface"><h2 class="section-heading">Launch Python interface<a class="anchor" aria-label="anchor" href="#launch-python-interface"></a>
-</h2>
+</section><section><h2 class="section-heading" id="launch-python-interface">Launch Python interface<a class="anchor" aria-label="anchor" href="#launch-python-interface"></a>
+<a class="anchor" aria-label="anchor" href="#launch-python-interface"></a></h2>
 <hr class="half-width"><p>To start working with Python, we need to launch a program that will
 interpret and execute our Python commands. Below we list several
 options. If you don’t have a preference, proceed with the top option in
 the list that is available on your machine. Otherwise, you may use any
 interface you like.</p>
-</section><section id="option-a-jupyter-notebook"><h2 class="section-heading">Option A: Jupyter Notebook<a class="anchor" aria-label="anchor" href="#option-a-jupyter-notebook"></a>
-</h2>
+</section><section><h2 class="section-heading" id="option-a-jupyter-notebook">Option A: Jupyter Notebook<a class="anchor" aria-label="anchor" href="#option-a-jupyter-notebook"></a>
+<a class="anchor" aria-label="anchor" href="#option-a-jupyter-notebook"></a></h2>
 <hr class="half-width"><p>A Jupyter Notebook provides a browser-based interface for working
 with Python. If you installed Anaconda, you can launch a notebook in two
 ways:</p>
@@ -478,7 +478,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Anaconda Navigator
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Launch Anaconda Navigator. It might ask you if you’d like to send
 anonymized usage information to Anaconda developers: <img src="fig/anaconda-navigator-first-launch.png" alt="Anaconda Navigator first launch" class="figure"> Make your choice and click “Ok,
@@ -505,7 +505,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Command line (Terminal)
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>1. Navigate to the <code>data</code> directory:</p>
 <div class="empty-div" style="margin-bottom: 50px">
@@ -518,7 +518,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Unix shell
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>If you’re using a Unix shell application, such as Terminal app in
 macOS, Console or Terminal in Linux, or <a href="https://gitforwindows.org" class="external-link">Git Bash</a> on Windows, execute the
@@ -542,7 +542,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Command Prompt (Windows)
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>On Windows, you can use its native Command Prompt program. The
 easiest way to start it up is pressing <kbd>Windows Logo
@@ -565,7 +565,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Unix shell
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -586,7 +586,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Command Prompt (Windows)
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <pre class="source"><code>python -m notebook</code></pre>
 </div>
@@ -600,8 +600,8 @@ <h4 class="accordion-header" id="headingSolution5">
 </div>
 </div>
 <p>  <!-- vertical spacer --></p>
-</section><section id="option-b-ipython-interpreter"><h2 class="section-heading">Option B: IPython interpreter<a class="anchor" aria-label="anchor" href="#option-b-ipython-interpreter"></a>
-</h2>
+</section><section><h2 class="section-heading" id="option-b-ipython-interpreter">Option B: IPython interpreter<a class="anchor" aria-label="anchor" href="#option-b-ipython-interpreter"></a>
+<a class="anchor" aria-label="anchor" href="#option-b-ipython-interpreter"></a></h2>
 <hr class="half-width"><p>IPython is an alternative solution situated somewhere in between the
 plain-vanilla Python interpreter and Jupyter Notebook. It provides an
 interactive command-line based interpreter with various convenience
@@ -610,8 +610,8 @@ <h4 class="accordion-header" id="headingSolution5">
 <p>To start using IPython, execute:</p>
 <pre class="source"><code><span><span class="va">ipython</span></span></code></pre>
 <p>  <!-- vertical spacer --></p>
-</section><section id="option-c-plain-vanilla-python-interpreter"><h2 class="section-heading">Option C: plain-vanilla Python interpreter<a class="anchor" aria-label="anchor" href="#option-c-plain-vanilla-python-interpreter"></a>
-</h2>
+</section><section><h2 class="section-heading" id="option-c-plain-vanilla-python-interpreter">Option C: plain-vanilla Python interpreter<a class="anchor" aria-label="anchor" href="#option-c-plain-vanilla-python-interpreter"></a>
+<a class="anchor" aria-label="anchor" href="#option-c-plain-vanilla-python-interpreter"></a></h2>
 <hr class="half-width"><p>To launch a plain-vanilla Python interpreter, execute:</p>
 <pre class="source"><code><span><span class="va">python</span></span></code></pre>
 <p>If you are using <a href="https://gitforwindows.org" class="external-link">Git Bash on
@@ -632,18 +632,18 @@ <h4 class="accordion-header" id="headingSolution5">
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/index.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
 			</div>
@@ -667,8 +667,8 @@ <h4 class="accordion-header" id="headingSolution5">
   "url": "https://swcarpentry.github.io/python-novice-inflammation/index.html",
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/index.html",
   "dateCreated": "2014-11-25",
-  "dateModified": "2024-07-02",
-  "datePublished": "2024-07-02"
+  "dateModified": "2024-07-09",
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 24c9c7b..5260f14 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -65,7 +65,7 @@
           </ul>
 </li>
       </div>
-      
+
       <div class="dropdown" id="instructor-dropdown">
         <button class="btn btn-secondary dropdown-toggle bordered-button" type="button" id="dropdownMenu1" data-bs-toggle="dropdown" aria-expanded="false">
           <i aria-hidden="true" class="icon" data-feather="eye"></i> Learner View <i data-feather="chevron-down"></i>
@@ -204,7 +204,7 @@ <h2 class="accordion-header" id="flush-headingNine">
 <!--div.sidenav-view-selector -->
             </div>
 <!--/div.col -->
-      
+
             <hr>
 </div>
 <!--/div.mobile-row -->
@@ -226,7 +226,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="index.html">Summary and Setup</a>
     </div>
 <!--/div.accordion-header-->
-        
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 <!--/div.accordion-item-->
 </div>
@@ -238,7 +238,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="01-intro.html">1. Python Fundamentals</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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 <!--/div.accordion-item-->
 </div>
@@ -250,7 +250,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -262,7 +262,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="03-matplotlib.html">3. Visualizing Tabular Data</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -274,7 +274,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -286,7 +286,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="05-loop.html">5. Repeating Actions with Loops</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -298,7 +298,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="06-files.html">6. Analyzing Data from Multiple Files</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -310,7 +310,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="07-cond.html">7. Making Choices</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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 <!--/div.accordion-item-->
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         <h1>Instructor Notes</h1>
         
 
-<section id="about-the-lesson"><h2 class="section-heading">About the lesson<a class="anchor" aria-label="anchor" href="#about-the-lesson"></a>
+<section><h2 class="section-heading" id="about-the-lesson">About the lesson<a class="anchor" aria-label="anchor" href="#about-the-lesson"></a>
+<a class="anchor" aria-label="anchor" href="#about-the-lesson"></a>
 </h2>
 <hr class="half-width">
 <p>Our real goal isn’t to teach workshop attendees Python as a
@@ -444,7 +445,8 @@ <h1>Instructor Notes</h1>
 <li>It has a large and constantly growing user-base which includes
 scientists.</li>
 <li>It is easier for novices to pick up than most other languages.</li>
-</ol></section><section id="legend"><h2 class="section-heading">Legend<a class="anchor" aria-label="anchor" href="#legend"></a>
+</ol></section><section><h2 class="section-heading" id="legend">Legend<a class="anchor" aria-label="anchor" href="#legend"></a>
+<a class="anchor" aria-label="anchor" href="#legend"></a>
 </h2>
 <hr class="half-width">
 <p>We are using a dataset with records on inflammation from patients
@@ -452,7 +454,8 @@ <h1>Instructor Notes</h1>
 <p>We make reference in the lesson that this data is suspicious and has
 been synthetically generated in Python by the imaginary “Dr. Maverick”!
 The script used to generate the inflammation data is included as <a href="files/code/gen_inflammation.py"><code>code/gen_inflammation.py</code></a>.</p>
-</section><section id="overall"><h2 class="section-heading">Overall<a class="anchor" aria-label="anchor" href="#overall"></a>
+</section><section><h2 class="section-heading" id="overall">Overall<a class="anchor" aria-label="anchor" href="#overall"></a>
+<a class="anchor" aria-label="anchor" href="#overall"></a>
 </h2>
 <hr class="half-width">
 <p>This lesson is written as an introduction to Python, but its real
@@ -505,7 +508,8 @@ <h1>Instructor Notes</h1>
 <p>The discussion of command-line scripts assumes that students
 understand standard I/O and building filters, which are covered in the
 lesson on the shell.</p>
-</section><section id="frequently-argued-issues-fai"><h2 class="section-heading">Frequently Argued Issues (FAI)<a class="anchor" aria-label="anchor" href="#frequently-argued-issues-fai"></a>
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+<a class="anchor" aria-label="anchor" href="#frequently-argued-issues-fai"></a>
 </h2>
 <hr class="half-width">
 <ul>
@@ -559,18 +563,18 @@ <h1>Instructor Notes</h1>
 <div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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-  "dateModified": "2024-07-02",
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 }
 
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         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
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           Home
         </a>
         <a class="chapter-link float-end" href="../instructor/02-read_data.html" rel="next">
-          Next: Reading Tabular Data... 
+          Next: Reading Tabular Data...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
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       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Python Fundamentals</h1>
         <p>Last updated on 2024-02-23 |
-        
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/01-intro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
-        
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         </div>
@@ -412,8 +412,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 </div>
 </div>
-<section id="variables"><h2 class="section-heading">Variables<a class="anchor" aria-label="anchor" href="#variables"></a>
-</h2>
+<section><h2 class="section-heading" id="variables">Variables<a class="anchor" aria-label="anchor" href="#variables"></a>
+<a class="anchor" aria-label="anchor" href="#variables"></a></h2>
 <hr class="half-width"><p>Any Python interpreter can be used as a calculator:</p>
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
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 <li>
 <code>gdp_per_capita</code> and <code>GDP_per_capita</code> are
 different variables.</li>
-</ul></section><section id="types-of-data"><h2 class="section-heading">Types of data<a class="anchor" aria-label="anchor" href="#types-of-data"></a>
-</h2>
+</ul></section><section><h2 class="section-heading" id="types-of-data">Types of data<a class="anchor" aria-label="anchor" href="#types-of-data"></a>
+<a class="anchor" aria-label="anchor" href="#types-of-data"></a></h2>
 <hr class="half-width"><p>Python knows various types of data. Three common ones are:</p>
 <ul><li>integer numbers,</li>
 <li>floating point numbers, and</li>
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 </div>
-</section><section id="built-in-python-functions"><h2 class="section-heading">Built-in Python functions<a class="anchor" aria-label="anchor" href="#built-in-python-functions"></a>
-</h2>
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+<a class="anchor" aria-label="anchor" href="#built-in-python-functions"></a></h2>
 <hr class="half-width"><p>To carry out common tasks with data and variables in Python, the
 language provides us with several built-in <a href="reference.html#function">functions</a>. To display information to
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@@ -787,7 +787,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Home
         </a>
         <a class="chapter-link float-end" href="../instructor/02-read_data.html" rel="next">
-          Next: Reading Tabular Data... 
+          Next: Reading Tabular Data...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -798,18 +798,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/01-intro.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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 			</div>
@@ -834,7 +834,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/01-intro.html",
   "dateCreated": "2014-11-25",
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         <h1>Reading Tabular Data into DataFrames</h1>
         <p>Last updated on 2024-02-23 |
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 tools are built into Python, specialized tools built up from these basic
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 called upon when needed.</p>
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 <hr class="half-width"><p>To begin processing the different GDP data, we need to load it into
 Python. We can do that using a library called <a href="https://pandas.pydata.org/" title="Pandas Documentation" class="external-link">pandas</a>, which is a widely-used Python
 library for statistics, particularly on tabular data. In general, you
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 2007     34435.36744  25185.00911</code></pre>
 </div>
 <p><code>.T</code> is short for Transpose.</p>
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 <hr class="half-width"><p>The next question on our minds should be; “now that we’ve loaded our
 data into Python, how do we select or access its values”? DataFrames
 provide each row and column in our table of data with a <em>label</em>.
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 <hr class="half-width"><p>We have seen that <code>loc</code> and <code>iloc</code> allow us to
 select individual entries in our dataframe. However, they can also be
 used to select a range of rows and columns whose entries we want to
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 <p>No, they do not produce the same output! The output of the first
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 <p>To read in a CSV, we use <code>pd.read_csv</code> and pass the
 filename <code>'data/gapminder_gdp_americas.csv'</code> to it. We also
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 <ol style="list-style-type: decimal"><li>We can check out the first five rows of
 <code>data_americas_country</code> by executing
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 <p>Creates a substring from index 1 up to (not including) the final
 index, effectively removing the first and last letters from ‘oxygen’</p>
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           Previous: Python Fundamentals
         </a>
         <a class="chapter-link float-end" href="../instructor/03-matplotlib.html" rel="next">
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       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/02-read_data.md" class="external-link">Edit on GitHub</a>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/02-read_data.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
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           Previous: Reading Tabular Data
         </a>
         <a class="chapter-link float-end" href="../instructor/04-lists.html" rel="next">
-          Next: Storing Multiple... 
+          Next: Storing Multiple...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
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       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Visualizing Tabular Data</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/03-matplotlib.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
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 </div>
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-<section id="visualizing-data"><h2 class="section-heading">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
-</h2>
+<section><h2 class="section-heading" id="visualizing-data">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
+<a class="anchor" aria-label="anchor" href="#visualizing-data"></a></h2>
 <hr class="half-width"><p>The mathematician Richard Hamming once said, “The purpose of
 computing is insight, not numbers,” and the best way to develop insight
 is often to visualize data. Visualization deserves an entire lecture of
@@ -468,8 +468,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a>first_five_countries <span class="op">=</span> data_eu.iloc[<span class="dv">0</span>:<span class="dv">5</span>, :]</span>
 <span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>first_five_countries.T.plot()</span></code></pre>
 </div>
-<figure><img src="../fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section id="computing-statistics-across-dataframe-axes"><h2 class="section-heading">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
-</h2>
+<figure><img src="../fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="computing-statistics-across-dataframe-axes">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
+<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a></h2>
 <hr class="half-width"><p>Let’s begin our analysis of the data by plotting the average GDP
 across Europe, as a function of time. Pandas dataframes have a built-in
 function, <code>mean()</code> that we can use to help us here:</p>
@@ -527,8 +527,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 United Kingdom            19380.472986
 dtype: float64</code></pre>
 </div>
-<figure><img src="../fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section id="plotting-statistics"><h2 class="section-heading">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
-</h2>
+<figure><img src="../fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="plotting-statistics">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
+<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a></h2>
 <hr class="half-width"><p>The <code>plot</code> method called directly from our dataframe is
 implicitly using <code>matplotlib</code>’s <code>pyplot.plot</code>
 function. Whilst calling <code>plot</code> directly from a dataset can
@@ -585,8 +585,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a>plt.plot(mean_gdp_each_year)</span>
 <span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a>plt.show()</span></code></pre>
 </div>
-</section><section id="grouping-plots"><h2 class="section-heading">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
-</h2>
+</section><section><h2 class="section-heading" id="grouping-plots">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
+<a class="anchor" aria-label="anchor" href="#grouping-plots"></a></h2>
 <hr class="half-width"><p>So far, <code>matplotlib</code>’s plot hasn’t done much more than
 dataframe’s <code>plot</code> function did - but that changes now. It is
 often the case where we will want to display multiple statistics
@@ -673,8 +673,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
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 </div>
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-</section><section id="adding-labels"><h2 class="section-heading">Adding labels<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
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+</section><section><h2 class="section-heading" id="adding-labels">Adding labels<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
+<a class="anchor" aria-label="anchor" href="#adding-labels"></a></h2>
 <hr class="half-width"><p>Just because we have plotted some statistics doesn’t mean our plot is
 complete! - There are no axis labels telling us what each subplot is
 showing us. - There’s no title for the plot. - There’s a lot of
@@ -743,7 +743,7 @@ <h3 class="callout-title">Setting limits for the axes<a class="anchor" aria-labe
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 <div class="accordion-body">
 <p>To fix this for the first subplot, we can set the y-axis limits to
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 <div class="accordion-body">
 <p>There are a ton of options to pick from here, but an example that
 draws a dashed, red line with crosses marking the datapoints is
@@ -831,7 +831,7 @@ <h3 class="callout-title">Make Your Own Plot<a class="anchor" aria-label="anchor
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 </button>
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 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>Change the figure size to be taller than wider.</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -1006,7 +1006,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
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 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <div class="accordion-body">
 <p>Since the row axis (0) is countries, it does not make sense to get
 the difference between two arbitrary countries. The column axis (1) is
@@ -1040,7 +1040,7 @@ <h3 class="callout-title">Change In GDP<em> (continued)</em><a class="anchor" ar
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 </button>
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 <div class="accordion-body">
 <p>By using the <code>DataFrame.max()</code> function after you apply
 the <code>Dataframe.diff()</code> function, you will get the largest
@@ -1125,7 +1125,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Reading Tabular Data
         </a>
         <a class="chapter-link float-end" href="../instructor/04-lists.html" rel="next">
-          Next: Storing Multiple... 
+          Next: Storing Multiple...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -1136,18 +1136,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/03-matplotlib.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
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@@ -1172,7 +1172,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/03-matplotlib.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
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               </div>
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             <hr class="half-width resources"><a href="../instructor/aio.html">See all in one page</a>
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             <hr class="d-none d-sm-block d-md-none"><div class="d-grid gap-1">
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           Previous: Visualizing Tabular
         </a>
         <a class="chapter-link float-end" href="../instructor/05-loop.html" rel="next">
-          Next: Repeating Actions... 
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         </a>
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Storing Multiple Values in Lists</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/04-lists.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
-        
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@@ -419,8 +419,8 @@ <h3 class="card-title">Objectives</h3>
 we have to process. In Python, a list is a way to store multiple values
 together. In this episode, we will learn how to store multiple values in
 a list as well as how to work with lists.</p>
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+<section><h2 class="section-heading" id="python-lists">Python lists<a class="anchor" aria-label="anchor" href="#python-lists"></a>
+<a class="anchor" aria-label="anchor" href="#python-lists"></a></h2>
 <hr class="half-width"><p>Unlike dataframes, lists are built into the language so we do not
 have to load a library to use them. We create a list by putting values
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/04-lists.md" class="external-link">Edit on GitHub</a>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
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   "dateCreated": "2014-11-25",
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+  "datePublished": "2024-07-09"
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             <hr class="half-width resources"><a href="../instructor/aio.html">See all in one page</a>
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           Previous: Storing Multiple
         </a>
         <a class="chapter-link float-end" href="../instructor/06-files.html" rel="next">
-          Next: Analyzing Data from... 
+          Next: Analyzing Data from...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Repeating Actions with Loops</h1>
         <p>Last updated on 2024-02-23 |
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           Previous: Storing Multiple
         </a>
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+          Next: Analyzing Data from...
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         </a>
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       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/05-loop.md" class="external-link">Edit on GitHub</a>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
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         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
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       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Analyzing Data from Multiple Files</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/06-files.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
-        
-        
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+
+
         <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 20 minutes</p>
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           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
         </div>
@@ -423,7 +423,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="output" tabindex="0"><code>['gapminder_gdp_americas.csv', 'gapminder_gdp_africa.csv', 'gapminder_gdp_europe.csv', 
+<pre class="output" tabindex="0"><code>['gapminder_gdp_americas.csv', 'gapminder_gdp_africa.csv', 'gapminder_gdp_europe.csv',
 'gapminder_gdp_asia.csv', 'gapminder_gdp_oceania.csv']</code></pre>
 </div>
 <p>As these examples show, <code>glob.glob</code>’s result is a list of
@@ -662,7 +662,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Repeating Actions
         </a>
         <a class="chapter-link float-end" href="../instructor/07-cond.html" rel="next">
-          Next: Making Choices... 
+          Next: Making Choices...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -673,18 +673,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/06-files.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
 			</div>
@@ -709,7 +709,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
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@@ -46,7 +46,7 @@
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       </div>
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         <a href="index.html">Summary and Schedule</a>
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         <a href="01-intro.html">1. Python Fundamentals</a>
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         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
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               </div>
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             <hr class="half-width resources"><a href="../instructor/aio.html">See all in one page</a>
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             <hr class="d-none d-sm-block d-md-none"><div class="d-grid gap-1">
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           Previous: Analyzing Data from
         </a>
         <a class="chapter-link float-end" href="../instructor/08-func.html" rel="next">
-          Next: Creating Functions... 
+          Next: Creating Functions...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Making Choices</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/07-cond.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
-        
-        
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+
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           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
         </div>
@@ -414,8 +414,8 @@ <h3 class="card-title">Objectives</h3>
 automatically recognize the different features we saw, and take a
 different action for each? In this lesson, we’ll learn how to write code
 that runs only when certain conditions are true.</p>
-<section id="conditionals"><h2 class="section-heading">Conditionals<a class="anchor" aria-label="anchor" href="#conditionals"></a>
-</h2>
+<section><h2 class="section-heading" id="conditionals">Conditionals<a class="anchor" aria-label="anchor" href="#conditionals"></a>
+<a class="anchor" aria-label="anchor" href="#conditionals"></a></h2>
 <hr class="half-width"><p>We can ask Python to take different actions, depending on a
 condition, with an <code>if</code> statement:</p>
 <div class="codewrapper sourceCode" id="cb1">
@@ -551,8 +551,8 @@ <h3 class="callout-title">
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 </div>
-</section><section id="checking-our-data"><h2 class="section-heading">Checking our Data<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
-</h2>
+</section><section><h2 class="section-heading" id="checking-our-data">Checking our Data<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
+<a class="anchor" aria-label="anchor" href="#checking-our-data"></a></h2>
 <hr class="half-width"><p>Now that we’ve seen how conditionals work, we can use them to check
 for the suspicious features we saw in our inflammation data. We are
 about to use functions provided by the <code>pandas</code> module again.
@@ -1154,7 +1154,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Analyzing Data from
         </a>
         <a class="chapter-link float-end" href="../instructor/08-func.html" rel="next">
-          Next: Creating Functions... 
+          Next: Creating Functions...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -1165,18 +1165,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/07-cond.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
 			</div>
@@ -1201,7 +1201,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/07-cond.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/instructor/08-func.html b/instructor/08-func.html
index 393b263..fd513e9 100644
--- a/instructor/08-func.html
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@@ -46,7 +46,7 @@
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           <i aria-hidden="true" class="icon" data-feather="eye"></i> Instructor View <i data-feather="chevron-down"></i>
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     <div class="accordion-header" id="flush-heading1">
         <a href="index.html">Summary and Schedule</a>
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         </a>
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         </a>
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Creating Functions</h1>
         <p>Last updated on 2024-02-23 |
-        
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-        
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-        
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           <button role="button" aria-pressed="false" tabindex="0" id="expand-code" class="pull-right" data-expand="Expand All Solutions " data-collapse="Collapse All Solutions "> Expand All Solutions <i aria-hidden="true" data-feather="plus"></i></button>
         </div>
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 </div>
 <p>We’ve successfully called the function that we defined, and we have
 access to the value that we returned.</p>
-<section id="composing-functions"><h2 class="section-heading">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
-</h2>
+<section><h2 class="section-heading" id="composing-functions">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
+<a class="anchor" aria-label="anchor" href="#composing-functions"></a></h2>
 <hr class="half-width"><p>Now that we have a function to calculate the volume of a cylinder, we
 can start to estimate the bill sizes of our penguins. From the
 researcher’s explanation, the bill size of a penguin can be worked out
@@ -605,8 +605,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 shown here — typically half a dozen to a few dozen lines — but they
 shouldn’t ever be much longer than that, or the next person who reads it
 won’t be able to understand what’s going on.</p>
-</section><section id="variable-scope"><h2 class="section-heading">Variable Scope<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
-</h2>
+</section><section><h2 class="section-heading" id="variable-scope">Variable Scope<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
+<a class="anchor" aria-label="anchor" href="#variable-scope"></a></h2>
 <hr class="half-width"><p>In composing our <code>cylinder_volume</code> function, we created
 variables <em>inside</em> of those functions —
 <code>culmen_radius</code> and <code>culmen_size</code> inside
@@ -695,8 +695,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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 </div>
-</section><section id="tidying-up"><h2 class="section-heading">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
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+</section><section><h2 class="section-heading" id="tidying-up">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
+<a class="anchor" aria-label="anchor" href="#tidying-up"></a></h2>
 <hr class="half-width"><p>Now that we know how to wrap bits of code up in functions, we can
 make our analysis of the size of penguin bills easier to read and reuse.
 The researcher was interested in whether different penguin species have
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 <div class="accordion-body">
 <p>Python will first execute the function <code>add</code> with
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@@ -878,7 +878,7 @@ <h3 class="callout-title">Rescaling an Array<a class="anchor" aria-label="anchor
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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@@ -970,7 +970,7 @@ <h3 class="callout-title">Variables Inside and Outside Functions<em>
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 <div class="accordion-body">
 <p>It converts temperature between Fahrenheit and Kelvin degrees.
 Probably, it would have been easier to understand if written in this
@@ -1012,7 +1012,7 @@ <h3 class="callout-title">Producing a scatter plot<a class="anchor" aria-label="
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 </div>
-</section><section id="tidying-up-1"><h2 class="section-heading">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
-</h2>
+</section><section><h2 class="section-heading" id="tidying-up-1">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
+<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a></h2>
 <hr class="half-width"><p>Now that we know how to wrap bits of code up in functions, we can
 make our GDP analysis easier to read and easier to reuse. First, let’s
 make a <code>visualize</code> function that generates our plots:</p>
@@ -1109,8 +1109,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 and understand what is happening in the <code>for</code> loop. Even
 better, if at some later date we want to use either of those pieces of
 code again, we can do so in a single line.</p>
-</section><section id="testing-and-documenting"><h2 class="section-heading">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
-</h2>
+</section><section><h2 class="section-heading" id="testing-and-documenting">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
+<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a></h2>
 <hr class="half-width"><p>Once we start putting things in functions so that we can re-use them,
 we need to start testing that those functions are working correctly. To
 see how to do this, let’s write a function to convert values between USD
@@ -1229,8 +1229,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
     &gt;&gt;&gt; usd_to_gbp(10, 0.80)
     8.</code></pre>
 </div>
-</section><section id="defining-defaults"><h2 class="section-heading">Defining Defaults<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
-</h2>
+</section><section><h2 class="section-heading" id="defining-defaults">Defining Defaults<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
+<a class="anchor" aria-label="anchor" href="#defining-defaults"></a></h2>
 <hr class="half-width"><p>We have passed parameters to functions in two ways: directly, as in
 <code>type(data)</code>, and by name, as in
 <code>pd.read_csv(filename, index_col='country')</code>. but we still
@@ -1420,7 +1420,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Attempting to define the <code>numbers</code> function results in
 <code>4. SyntaxError</code>. The defined parameters <code>two</code> and
@@ -1480,7 +1480,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Making Choices
         </a>
         <a class="chapter-link float-end" href="../instructor/09-errors.html" rel="next">
-          Next: Errors and... 
+          Next: Errors and...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -1491,18 +1491,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/08-func.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
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+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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@@ -1527,7 +1527,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/08-func.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
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   </script><script>
diff --git a/instructor/09-errors.html b/instructor/09-errors.html
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           <i aria-hidden="true" class="icon" data-feather="eye"></i> Instructor View <i data-feather="chevron-down"></i>
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         <a href="index.html">Summary and Schedule</a>
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             <hr class="half-width resources"><a href="../instructor/aio.html">See all in one page</a>
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           Previous: Creating Functions
         </a>
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+          Next: Defensive...
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       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Errors and Exceptions</h1>
         <p>Last updated on 2024-02-23 |
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/09-errors.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
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         </div>
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 IndexError                                Traceback (most recent call last)
 &lt;ipython-input-7-3ad455d81842&gt; in &lt;module&gt;
      16     print_message(7)
-     17 
+     17
 ---&gt; 18 print_sunday_message()
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+     19
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_sunday_message()
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      15 def print_sunday_message():
 ---&gt; 16     print_message(7)
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+     17
      18 print_sunday_message()
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_message(day)
      11         'Aw, the weekend is almost over.'
      12     ]
 ---&gt; 13     print(messages[day])
-     14 
+     14
      15 def print_sunday_message():
 
 IndexError: list index out of range</code></pre>
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 <ol style="list-style-type: decimal"><li>3 levels</li>
 <li><code>print_message</code></li>
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 </div>
 </div>
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 <hr class="half-width"><p>When you forget a colon at the end of a line, accidentally add one
 space too many when indenting under an <code>if</code> statement, or
 forget a parenthesis, you will encounter a <a href="reference.html#syntax-error">syntax error</a>. This means that
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+</section><section><h2 class="section-heading" id="variable-name-errors">Variable Name Errors<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
+<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a></h2>
 <hr class="half-width"><p>Another very common type of error is called a <code>NameError</code>,
 and occurs when you try to use a variable that does not exist. For
 example:</p>
@@ -792,8 +792,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 
 NameError: name 'count' is not defined</code></pre>
 </div>
-</section><section id="index-errors"><h2 class="section-heading">Index Errors<a class="anchor" aria-label="anchor" href="#index-errors"></a>
-</h2>
+</section><section><h2 class="section-heading" id="index-errors">Index Errors<a class="anchor" aria-label="anchor" href="#index-errors"></a>
+<a class="anchor" aria-label="anchor" href="#index-errors"></a></h2>
 <hr class="half-width"><p>Next up are errors having to do with containers (like lists and
 strings) and the items within them. If you try to access an item in a
 list or a string that does not exist, then you will get an error. This
@@ -832,8 +832,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 <p>Here, Python is telling us that there is an <code>IndexError</code>
 in our code, meaning we tried to access a list index that did not
 exist.</p>
-</section><section id="file-errors"><h2 class="section-heading">File Errors<a class="anchor" aria-label="anchor" href="#file-errors"></a>
-</h2>
+</section><section><h2 class="section-heading" id="file-errors">File Errors<a class="anchor" aria-label="anchor" href="#file-errors"></a>
+<a class="anchor" aria-label="anchor" href="#file-errors"></a></h2>
 <hr class="half-width"><p>The last type of error we’ll cover today are those associated with
 reading and writing files: <code>FileNotFoundError</code>. If you try to
 read a file that does not exist, you will receive a
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 <div class="accordion-body">
 <p><code>SyntaxError</code> for missing <code>():</code> at end of first
 line, <code>IndentationError</code> for mismatch between second and
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 <div class="accordion-body">
 <p>3 <code>NameError</code>s for <code>number</code> being misspelled,
 for <code>message</code> not defined, and for <code>a</code> not being
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 <div class="accordion-body">
 <p><code>IndexError</code>; the last entry is <code>seasons[3]</code>,
 so <code>seasons[4]</code> doesn’t make sense. A fixed version is:</p>
@@ -1081,7 +1081,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Creating Functions
         </a>
         <a class="chapter-link float-end" href="../instructor/10-defensive.html" rel="next">
-          Next: Defensive... 
+          Next: Defensive...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
         </a>
       </div>
@@ -1092,18 +1092,18 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
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+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
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@@ -1128,7 +1128,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
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+  "datePublished": "2024-07-09"
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         <a href="index.html">Summary and Schedule</a>
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             <hr class="half-width resources"><a href="../instructor/aio.html">See all in one page</a>
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-          Next: Debugging... 
+          Next: Debugging...
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       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Defensive Programming</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/10-defensive.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
-        
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         </div>
@@ -426,8 +426,8 @@ <h3 class="card-title">Objectives</h3>
 not slow it down. As in real carpentry — the kind done with lumber — the
 time saved by measuring carefully before cutting a piece of wood is much
 greater than the time that measuring takes.</p>
-<section id="assertions"><h2 class="section-heading">Assertions<a class="anchor" aria-label="anchor" href="#assertions"></a>
-</h2>
+<section><h2 class="section-heading" id="assertions">Assertions<a class="anchor" aria-label="anchor" href="#assertions"></a>
+<a class="anchor" aria-label="anchor" href="#assertions"></a></h2>
 <hr class="half-width"><p>The first step toward getting the right answers from our programs is
 to assume that mistakes <em>will</em> happen and to guard against them.
 This is called <a href="reference.html#defensive-programming">defensive
@@ -619,8 +619,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 re-introduced an old problem) can save a lot of time in the long run,
 and helps to warn people who are reading the code (including your future
 self) that this bit is tricky.</p>
-</section><section id="test-driven-development"><h2 class="section-heading">Test-Driven Development<a class="anchor" aria-label="anchor" href="#test-driven-development"></a>
-</h2>
+</section><section><h2 class="section-heading" id="test-driven-development">Test-Driven Development<a class="anchor" aria-label="anchor" href="#test-driven-development"></a>
+<a class="anchor" aria-label="anchor" href="#test-driven-development"></a></h2>
 <hr class="half-width"><p>An assertion checks that something is true at a particular point in
 the program. The next step is to check the overall behavior of a piece
 of code, i.e., to make sure that it produces the right output when it’s
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           Previous: Errors and
         </a>
         <a class="chapter-link float-end" href="../instructor/11-debugging.html" rel="next">
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
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+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/10-defensive.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
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 			<div class="col-md-6">
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   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
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           Previous: Defensive
         </a>
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-          Next: Command-Line... 
+          Next: Command-Line...
           <i aria-hidden="true" class="small-arrow" data-feather="arrow-right"></i>
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       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Debugging</h1>
         <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/11-debugging.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
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@@ -419,8 +419,8 @@ <h3 class="card-title">Objectives</h3>
 testing). The more experienced a programmer is, the more systematically
 they debug, and most follow some variation on the rules explained
 below.</p>
-<section id="know-what-its-supposed-to-do"><h2 class="section-heading">Know What It’s Supposed to Do<a class="anchor" aria-label="anchor" href="#know-what-its-supposed-to-do"></a>
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+<section><h2 class="section-heading" id="know-what-its-supposed-to-do">Know What It’s Supposed to Do<a class="anchor" aria-label="anchor" href="#know-what-its-supposed-to-do"></a>
+<a class="anchor" aria-label="anchor" href="#know-what-its-supposed-to-do"></a></h2>
 <hr class="half-width"><p>The first step in debugging something is to <em>know what it’s
 supposed to do</em>. “My program doesn’t work” isn’t good enough: in
 order to diagnose and fix problems, we need to be able to tell correct
@@ -465,8 +465,8 @@ <h3 class="card-title">Objectives</h3>
 correctness of their code (just as we did in the <a href="02-numpy.html">opening lesson</a> of this tutorial). This should
 only be used for debugging as a last resort, though, since it’s very
 hard to compare two visualizations automatically.</p></li>
-</ol></section><section id="make-it-fail-every-time"><h2 class="section-heading">Make It Fail Every Time<a class="anchor" aria-label="anchor" href="#make-it-fail-every-time"></a>
-</h2>
+</ol></section><section><h2 class="section-heading" id="make-it-fail-every-time">Make It Fail Every Time<a class="anchor" aria-label="anchor" href="#make-it-fail-every-time"></a>
+<a class="anchor" aria-label="anchor" href="#make-it-fail-every-time"></a></h2>
 <hr class="half-width"><p>We can only debug something when it fails, so the second step is
 always to find a test case that <em>makes it fail every time</em>. The
 “every time” part is important because few things are more frustrating
@@ -482,8 +482,8 @@ <h3 class="card-title">Objectives</h3>
 likely to happen when we’re tired, frustrated, and up against a
 deadline, which is one of the reasons late-night (or overnight) coding
 sessions are almost never worthwhile.</p>
-</section><section id="make-it-fail-fast"><h2 class="section-heading">Make It Fail Fast<a class="anchor" aria-label="anchor" href="#make-it-fail-fast"></a>
-</h2>
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+<a class="anchor" aria-label="anchor" href="#make-it-fail-fast"></a></h2>
 <hr class="half-width"><p>If it takes 20 minutes for the bug to surface, we can only do three
 experiments an hour. This means that we’ll get less data in more time
 and that we’re more likely to be distracted by other things as we wait
@@ -501,8 +501,8 @@ <h3 class="card-title">Objectives</h3>
 <li><p>N things can interact in N! different ways, so every line of code
 that <em>isn’t</em> run as part of a test means more than one thing we
 don’t need to worry about.</p></li>
-</ol></section><section id="change-one-thing-at-a-time-for-a-reason"><h2 class="section-heading">Change One Thing at a Time, For a Reason<a class="anchor" aria-label="anchor" href="#change-one-thing-at-a-time-for-a-reason"></a>
-</h2>
+</ol></section><section><h2 class="section-heading" id="change-one-thing-at-a-time-for-a-reason">Change One Thing at a Time, For a Reason<a class="anchor" aria-label="anchor" href="#change-one-thing-at-a-time-for-a-reason"></a>
+<a class="anchor" aria-label="anchor" href="#change-one-thing-at-a-time-for-a-reason"></a></h2>
 <hr class="half-width"><p>Replacing random chunks of code is unlikely to do much good. (After
 all, if you got it wrong the first time, you’ll probably get it wrong
 the second and third as well.) Good programmers therefore <em>change one
@@ -516,8 +516,8 @@ <h3 class="card-title">Objectives</h3>
 And we should re-run <em>all</em> of our tests: more than half of fixes
 made to code introduce (or re-introduce) bugs, so re-running all of our
 tests tells us whether we have regressed.</p>
-</section><section id="keep-track-of-what-youve-done"><h2 class="section-heading">Keep Track of What You’ve Done<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a>
-</h2>
+</section><section><h2 class="section-heading" id="keep-track-of-what-youve-done">Keep Track of What You’ve Done<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a>
+<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a></h2>
 <hr class="half-width"><p>Good scientists keep track of what they’ve done so that they can
 reproduce their work, and so that they don’t waste time repeating the
 same experiments or running ones whose results won’t be interesting.
@@ -550,8 +550,8 @@ <h3 class="callout-title">Version Control Revisited<a class="anchor" aria-label=
 </ol></div>
 </div>
 </div>
-</section><section id="be-humble"><h2 class="section-heading">Be Humble<a class="anchor" aria-label="anchor" href="#be-humble"></a>
-</h2>
+</section><section><h2 class="section-heading" id="be-humble">Be Humble<a class="anchor" aria-label="anchor" href="#be-humble"></a>
+<a class="anchor" aria-label="anchor" href="#be-humble"></a></h2>
 <hr class="half-width"><p>And speaking of help: if we can’t find a bug in 10 minutes, we should
 <em>be humble</em> and ask for help. Explaining the problem to someone
 else is often useful, since hearing what we’re thinking helps us spot
@@ -638,7 +638,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
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 </button>
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 <div class="accordion-body">
 <div class="section level3">
 <h3 id="suggestions-for-debugging">Suggestions for debugging<a class="anchor" aria-label="anchor" href="#suggestions-for-debugging"></a></h3>
@@ -693,7 +693,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
           Previous: Defensive
         </a>
         <a class="chapter-link float-end" href="../instructor/12-cmdline.html" rel="next">
-          Next: Command-Line... 
+          Next: Command-Line...
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         </a>
       </div>
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       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/11-debugging.md" class="external-link">Edit on GitHub</a>
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+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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@@ -740,7 +740,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/11-debugging.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/instructor/12-cmdline.html b/instructor/12-cmdline.html
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         <h1>Command-Line Programs</h1>
         <p>Last updated on 2024-02-23 |
-        
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/12-cmdline.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
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@@ -474,8 +474,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 </ol><p>To make this work, we need to know how to handle command-line
 arguments in a program, and understand how to handle standard input.
 We’ll tackle these questions in turn below.</p>
-<section id="command-line-arguments"><h2 class="section-heading">Command-Line Arguments<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a>
-</h2>
+<section><h2 class="section-heading" id="command-line-arguments">Command-Line Arguments<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a>
+<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a></h2>
 <hr class="half-width"><p>We are going to create a file with our python code in, then use the
 bash shell to run the code. Using the text editor of your choice, save
 the following in a text file called <code>sys_version.py</code>:</p>
@@ -653,8 +653,8 @@ <h3 class="callout-title">The Right Way to Do It<a class="anchor" aria-label="an
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 </div>
-</section><section id="handling-multiple-files"><h2 class="section-heading">Handling Multiple Files<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a>
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+</section><section><h2 class="section-heading" id="handling-multiple-files">Handling Multiple Files<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a>
+<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a></h2>
 <hr class="half-width"><p>The next step is to teach our program how to handle multiple files.
 Since 60 lines of output per file is a lot to page through, we’ll start
 by using three smaller files:</p>
@@ -770,8 +770,8 @@ <h3 class="callout-title">The Right Way to Do It<a class="anchor" aria-label="an
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+<a class="anchor" aria-label="anchor" href="#handling-command-line-flags"></a></h2>
 <hr class="half-width"><p>The next step is to teach our program to pay attention to the
 <code>--min</code>, <code>--mean</code>, and <code>--max</code> flags.
 These always appear before the names of the files, so we could do
@@ -876,8 +876,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 <p>This is four lines longer than its predecessor, but broken into more
 digestible chunks of 8 and 12 lines.</p>
-</section><section id="handling-standard-input"><h2 class="section-heading">Handling Standard Input<a class="anchor" aria-label="anchor" href="#handling-standard-input"></a>
-</h2>
+</section><section><h2 class="section-heading" id="handling-standard-input">Handling Standard Input<a class="anchor" aria-label="anchor" href="#handling-standard-input"></a>
+<a class="anchor" aria-label="anchor" href="#handling-standard-input"></a></h2>
 <hr class="half-width"><p>The next thing our program has to do is read data from standard input
 if no filenames are given so that we can put it in a pipeline, redirect
 input to it, and so on. Let’s experiment in another script called
@@ -1025,7 +1025,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
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 </button>
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 <p>A collection of facts about Python that do not fit into the main
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-<section id="jupyter-notebookipython-whos-who-in-memory"><h2 class="section-heading">Jupyter Notebook/IPython: Who’s Who in Memory<a class="anchor" aria-label="anchor" href="#jupyter-notebookipython-whos-who-in-memory"></a>
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 <hr class="half-width"><p>You can use the <code>%whos</code> command at any time to see what
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   "dateCreated": "2014-11-25",
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-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index af6e8aa..4234e97 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -65,7 +65,7 @@
           </ul>
 </li>
       </div>
-      
+
       <div class="dropdown" id="instructor-dropdown">
         <button class="btn btn-secondary dropdown-toggle bordered-button" type="button" id="dropdownMenu1" data-bs-toggle="dropdown" aria-expanded="false">
           <i aria-hidden="true" class="icon" data-feather="eye"></i> Instructor View <i data-feather="chevron-down"></i>
@@ -207,7 +207,7 @@ <h2 class="accordion-header" id="flush-headingNine">
 <!--div.sidenav-view-selector -->
             </div>
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-      
+
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 </div>
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@@ -229,7 +229,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="index.html">Summary and Schedule</a>
     </div>
 <!--/div.accordion-header-->
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 </div>
@@ -241,7 +241,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="01-intro.html">1. Python Fundamentals</a>
     </div>
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         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
     </div>
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@@ -265,7 +265,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="03-matplotlib.html">3. Visualizing Tabular Data</a>
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         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
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         <a href="05-loop.html">5. Repeating Actions with Loops</a>
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         <a href="06-files.html">6. Analyzing Data from Multiple Files</a>
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         <a href="07-cond.html">7. Making Choices</a>
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         <a href="08-func.html">8. Creating Functions</a>
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         <a href="09-errors.html">9. Errors and Exceptions</a>
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         <a href="10-defensive.html">10. Defensive Programming</a>
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         <a href="11-debugging.html">11. Debugging</a>
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         <a href="12-cmdline.html">12. Command-Line Programs</a>
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@@ -415,11 +415,11 @@ <h2 class="accordion-header" id="flush-headingTwelve">
             </div>
             <hr class="half-width resources">
 <a href="../instructor/aio.html">See all in one page</a>
-            
+
 
             <hr class="d-none d-sm-block d-md-none">
 <div class="d-grid gap-1">
-            
+
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           </div>
 <!-- /div.accordion -->
@@ -440,7 +440,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 <section id="aio-01-intro"><p>Content from <a href="01-intro.html">Python Fundamentals</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/01-intro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
 <div class="text-end">
@@ -475,7 +475,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 </div>
 </div>
-<section id="variables"><h2 class="section-heading">Variables<a class="anchor" aria-label="anchor" href="#variables"></a>
+<section><h2 class="section-heading" id="variables">Variables<a class="anchor" aria-label="anchor" href="#variables"></a>
+<a class="anchor" aria-label="anchor" href="#variables"></a>
 </h2>
 <hr class="half-width">
 <p>Any Python interpreter can be used as a calculator:</p>
@@ -517,7 +518,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <li>
 <code>gdp_per_capita</code> and <code>GDP_per_capita</code> are
 different variables.</li>
-</ul></section><section id="types-of-data"><h2 class="section-heading">Types of data<a class="anchor" aria-label="anchor" href="#types-of-data"></a>
+</ul></section><section><h2 class="section-heading" id="types-of-data">Types of data<a class="anchor" aria-label="anchor" href="#types-of-data"></a>
+<a class="anchor" aria-label="anchor" href="#types-of-data"></a>
 </h2>
 <hr class="half-width">
 <p>Python knows various types of data. Three common ones are:</p>
@@ -542,7 +544,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </h3>
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a>uk_language_code <span class="op">=</span> <span class="st">'eng'</span></span></code></pre>
 </div>
-</section><section id="using-variables-in-python"><h2 class="section-heading">Using Variables in Python<a class="anchor" aria-label="anchor" href="#using-variables-in-python"></a>
+</section><section><h2 class="section-heading" id="using-variables-in-python">Using Variables in Python<a class="anchor" aria-label="anchor" href="#using-variables-in-python"></a>
+<a class="anchor" aria-label="anchor" href="#using-variables-in-python"></a>
 </h2>
 <hr class="half-width">
 <p>Once we have data stored with variable names, we can make use of it
@@ -559,7 +562,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </h3>
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a>uk_language_code <span class="op">=</span> <span class="st">'ISO_'</span> <span class="op">+</span> uk_language_code</span></code></pre>
 </div>
-</section><section id="built-in-python-functions"><h2 class="section-heading">Built-in Python functions<a class="anchor" aria-label="anchor" href="#built-in-python-functions"></a>
+</section><section><h2 class="section-heading" id="built-in-python-functions">Built-in Python functions<a class="anchor" aria-label="anchor" href="#built-in-python-functions"></a>
+<a class="anchor" aria-label="anchor" href="#built-in-python-functions"></a>
 </h2>
 <hr class="half-width">
 <p>To carry out common tasks with data and variables in Python, the
@@ -730,7 +734,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -770,7 +774,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -805,7 +809,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -852,7 +856,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-02-read_data"><p>Content from <a href="02-read_data.html">Reading Tabular Data into DataFrames</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/02-read_data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 60 minutes</p>
 <div class="text-end">
@@ -896,7 +900,8 @@ <h3 class="card-title">Objectives</h3>
 tools are built into Python, specialized tools built up from these basic
 units live in <a href="reference.html#library">libraries</a> that can be
 called upon when needed.</p>
-<section id="loading-data-into-python-using-the-pandas-library."><h2 class="section-heading">Loading data into Python using the Pandas library.<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library."></a>
+<section><h2 class="section-heading" id="loading-data-into-python-using-the-pandas-library-">Loading data into Python using the Pandas library.<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library."></a>
+<a class="anchor" aria-label="anchor" href="#loading-data-into-python-using-the-pandas-library-"></a>
 </h2>
 <hr class="half-width">
 <p>To begin processing the different GDP data, we need to load it into
@@ -1163,7 +1168,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 2007     34435.36744  25185.00911</code></pre>
 </div>
 <p><code>.T</code> is short for Transpose.</p>
-</section><section id="accessing-data-in-a-dataframe"><h2 class="section-heading">Accessing data in a dataframe<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
+</section><section><h2 class="section-heading" id="accessing-data-in-a-dataframe">Accessing data in a dataframe<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
+<a class="anchor" aria-label="anchor" href="#accessing-data-in-a-dataframe"></a>
 </h2>
 <hr class="half-width">
 <p>The next question on our minds should be; “now that we’ve loaded our
@@ -1289,7 +1295,8 @@ <h3 class="callout-title">In the Corner<a class="anchor" aria-label="anchor" hre
 </div>
 </div>
 </div>
-</section><section id="selection-using-slices"><h2 class="section-heading">Selection using slices<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
+</section><section><h2 class="section-heading" id="selection-using-slices">Selection using slices<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
+<a class="anchor" aria-label="anchor" href="#selection-using-slices"></a>
 </h2>
 <hr class="half-width">
 <p>We have seen that <code>loc</code> and <code>iloc</code> allow us to
@@ -1466,7 +1473,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>No, they do not produce the same output! The output of the first
 statement is:</p>
@@ -1521,7 +1528,7 @@ <h3 class="callout-title">Reading Other Data<a class="anchor" aria-label="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>To read in a CSV, we use <code>pd.read_csv</code> and pass the
 filename <code>'data/gapminder_gdp_americas.csv'</code> to it. We also
@@ -1628,7 +1635,7 @@ <h3 class="callout-title">Inspecting Data<a class="anchor" aria-label="anchor" h
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>We can check out the first five rows of
@@ -1762,7 +1769,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1793,7 +1800,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1823,7 +1830,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Creates a substring from index 1 up to (not including) the final
 index, effectively removing the first and last letters from ‘oxygen’</p>
@@ -1852,7 +1859,7 @@ <h3 class="callout-title">Slicing Strings<em> (continued)</em><a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1899,7 +1906,7 @@ <h3 class="callout-title">Thin Slices<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1953,7 +1960,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-03-matplotlib"><p>Content from <a href="03-matplotlib.html">Visualizing Tabular Data</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/03-matplotlib.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 60 minutes</p>
 <div class="text-end">
@@ -1986,7 +1993,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 </div>
 </div>
-<section id="visualizing-data"><h2 class="section-heading">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
+<section><h2 class="section-heading" id="visualizing-data">Visualizing data<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
+<a class="anchor" aria-label="anchor" href="#visualizing-data"></a>
 </h2>
 <hr class="half-width">
 <p>The mathematician Richard Hamming once said, “The purpose of
@@ -2044,7 +2052,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a>first_five_countries <span class="op">=</span> data_eu.iloc[<span class="dv">0</span>:<span class="dv">5</span>, :]</span>
 <span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>first_five_countries.T.plot()</span></code></pre>
 </div>
-<figure><img src="../fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section id="computing-statistics-across-dataframe-axes"><h2 class="section-heading">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
+<figure><img src="../fig/03-data_eu_T_plot.svg" alt="A line graph showing the GDP per capita of 5 European countries, from 1952 through to 2007." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="computing-statistics-across-dataframe-axes">Computing statistics across dataframe axes<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
+<a class="anchor" aria-label="anchor" href="#computing-statistics-across-dataframe-axes"></a>
 </h2>
 <hr class="half-width">
 <p>Let’s begin our analysis of the data by plotting the average GDP
@@ -2104,7 +2113,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 United Kingdom            19380.472986
 dtype: float64</code></pre>
 </div>
-<figure><img src="../fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section id="plotting-statistics"><h2 class="section-heading">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
+<figure><img src="../fif/../fig/03-axis-operations.svg" alt="Diagram illustrating how the axis keyword changes the axis along which the mean() function operates." class="figure mx-auto d-block"></figure></section><section><h2 class="section-heading" id="plotting-statistics">Plotting statistics<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
+<a class="anchor" aria-label="anchor" href="#plotting-statistics"></a>
 </h2>
 <hr class="half-width">
 <p>The <code>plot</code> method called directly from our dataframe is
@@ -2163,7 +2173,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <pre class="sourceCode python" tabindex="0"><code class="sourceCode python"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a>plt.plot(mean_gdp_each_year)</span>
 <span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a>plt.show()</span></code></pre>
 </div>
-</section><section id="grouping-plots"><h2 class="section-heading">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
+</section><section><h2 class="section-heading" id="grouping-plots">Grouping Plots<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
+<a class="anchor" aria-label="anchor" href="#grouping-plots"></a>
 </h2>
 <hr class="half-width">
 <p>So far, <code>matplotlib</code>’s plot hasn’t done much more than
@@ -2252,7 +2263,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 </div>
 </div>
-</section><section id="adding-labels"><h2 class="section-heading">Adding labels<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
+</section><section><h2 class="section-heading" id="adding-labels">Adding labels<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
+<a class="anchor" aria-label="anchor" href="#adding-labels"></a>
 </h2>
 <hr class="half-width">
 <p>Just because we have plotted some statistics doesn’t mean our plot is
@@ -2323,7 +2335,7 @@ <h3 class="callout-title">Setting limits for the axes<a class="anchor" aria-labe
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>To fix this for the first subplot, we can set the y-axis limits to
 the overall minimum and maximum values of the dataframe.</p>
@@ -2377,7 +2389,7 @@ <h3 class="callout-title">Drawstyles<a class="anchor" aria-label="anchor" href="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>There are a ton of options to pick from here, but an example that
 draws a dashed, red line with crosses marking the datapoints is
@@ -2411,7 +2423,7 @@ <h3 class="callout-title">Make Your Own Plot<a class="anchor" aria-label="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2445,7 +2457,7 @@ <h3 class="callout-title">Moving Plots Around<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb21">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2498,7 +2510,7 @@ <h3 class="callout-title">Moving Plots Around<em> (continued)</em><a class="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>Change the figure size to be taller than wider.</p>
 <div class="codewrapper sourceCode" id="cb22">
@@ -2586,7 +2598,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Since the row axis (0) is countries, it does not make sense to get
 the difference between two arbitrary countries. The column axis (1) is
@@ -2620,7 +2632,7 @@ <h3 class="callout-title">Change In GDP<em> (continued)</em><a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>By using the <code>DataFrame.max()</code> function after you apply
 the <code>Dataframe.diff()</code> function, you will get the largest
@@ -2698,7 +2710,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-04-lists"><p>Content from <a href="04-lists.html">Storing Multiple Values in Lists</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/04-lists.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 45 minutes</p>
 <div class="text-end">
@@ -2743,7 +2755,8 @@ <h3 class="card-title">Objectives</h3>
 we have to process. In Python, a list is a way to store multiple values
 together. In this episode, we will learn how to store multiple values in
 a list as well as how to work with lists.</p>
-<section id="python-lists"><h2 class="section-heading">Python lists<a class="anchor" aria-label="anchor" href="#python-lists"></a>
+<section><h2 class="section-heading" id="python-lists">Python lists<a class="anchor" aria-label="anchor" href="#python-lists"></a>
+<a class="anchor" aria-label="anchor" href="#python-lists"></a>
 </h2>
 <hr class="half-width">
 <p>Unlike dataframes, lists are built into the language so we do not
@@ -3335,7 +3348,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-05-loop"><p>Content from <a href="05-loop.html">Repeating Actions with Loops</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/05-loop.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
 <div class="text-end">
@@ -3646,7 +3659,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb21">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3689,7 +3702,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The body of the loop is executed 6 times.</p>
 </div>
@@ -3725,7 +3738,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3758,7 +3771,7 @@ <h3 class="callout-title">Summing a list<a class="anchor" aria-label="anchor" hr
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb26">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3821,7 +3834,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3854,7 +3867,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div></section><section id="aio-06-files"><p>Content from <a href="06-files.html">Analyzing Data from Multiple Files</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/06-files.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 20 minutes</p>
 <div class="text-end">
@@ -3910,7 +3923,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="output" tabindex="0"><code>['gapminder_gdp_americas.csv', 'gapminder_gdp_africa.csv', 'gapminder_gdp_europe.csv', 
+<pre class="output" tabindex="0"><code>['gapminder_gdp_americas.csv', 'gapminder_gdp_africa.csv', 'gapminder_gdp_europe.csv',
 'gapminder_gdp_asia.csv', 'gapminder_gdp_oceania.csv']</code></pre>
 </div>
 <p>As these examples show, <code>glob.glob</code>’s result is a list of
@@ -4142,7 +4155,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div></section><section id="aio-07-cond"><p>Content from <a href="07-cond.html">Making Choices</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/07-cond.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
 <div class="text-end">
@@ -4181,7 +4194,8 @@ <h3 class="card-title">Objectives</h3>
 automatically recognize the different features we saw, and take a
 different action for each? In this lesson, we’ll learn how to write code
 that runs only when certain conditions are true.</p>
-<section id="conditionals"><h2 class="section-heading">Conditionals<a class="anchor" aria-label="anchor" href="#conditionals"></a>
+<section><h2 class="section-heading" id="conditionals">Conditionals<a class="anchor" aria-label="anchor" href="#conditionals"></a>
+<a class="anchor" aria-label="anchor" href="#conditionals"></a>
 </h2>
 <hr class="half-width">
 <p>We can ask Python to take different actions, depending on a
@@ -4321,7 +4335,8 @@ <h3 class="callout-title">
 </div>
 </div>
 </div>
-</section><section id="checking-our-data"><h2 class="section-heading">Checking our Data<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
+</section><section><h2 class="section-heading" id="checking-our-data">Checking our Data<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
+<a class="anchor" aria-label="anchor" href="#checking-our-data"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we’ve seen how conditionals work, we can use them to check
@@ -4922,7 +4937,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-08-func"><p>Content from <a href="08-func.html">Creating Functions</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/08-func.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
 <div class="text-end">
@@ -5110,7 +5125,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 <p>We’ve successfully called the function that we defined, and we have
 access to the value that we returned.</p>
-<section id="composing-functions"><h2 class="section-heading">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
+<section><h2 class="section-heading" id="composing-functions">Composing Functions<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
+<a class="anchor" aria-label="anchor" href="#composing-functions"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we have a function to calculate the volume of a cylinder, we
@@ -5149,7 +5165,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 shown here — typically half a dozen to a few dozen lines — but they
 shouldn’t ever be much longer than that, or the next person who reads it
 won’t be able to understand what’s going on.</p>
-</section><section id="variable-scope"><h2 class="section-heading">Variable Scope<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
+</section><section><h2 class="section-heading" id="variable-scope">Variable Scope<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
+<a class="anchor" aria-label="anchor" href="#variable-scope"></a>
 </h2>
 <hr class="half-width">
 <p>In composing our <code>cylinder_volume</code> function, we created
@@ -5240,7 +5257,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 </div>
 </div>
-</section><section id="tidying-up"><h2 class="section-heading">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
+</section><section><h2 class="section-heading" id="tidying-up">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
+<a class="anchor" aria-label="anchor" href="#tidying-up"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we know how to wrap bits of code up in functions, we can
@@ -5331,7 +5349,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5378,7 +5396,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Python will first execute the function <code>add</code> with
 <code>a = 7</code> and <code>b = 3</code>, and, therefore, print
@@ -5424,7 +5442,7 @@ <h3 class="callout-title">Rescaling an Array<a class="anchor" aria-label="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb24">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5473,7 +5491,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5516,7 +5534,7 @@ <h3 class="callout-title">Variables Inside and Outside Functions<em>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>It converts temperature between Fahrenheit and Kelvin degrees.
 Probably, it would have been easier to understand if written in this
@@ -5558,7 +5576,7 @@ <h3 class="callout-title">Producing a scatter plot<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb28">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5583,7 +5601,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 </div>
 </div>
-</section><section id="tidying-up-1"><h2 class="section-heading">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
+</section><section><h2 class="section-heading" id="tidying-up-1">Tidying up<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
+<a class="anchor" aria-label="anchor" href="#tidying-up-1"></a>
 </h2>
 <hr class="half-width">
 <p>Now that we know how to wrap bits of code up in functions, we can
@@ -5656,7 +5675,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 and understand what is happening in the <code>for</code> loop. Even
 better, if at some later date we want to use either of those pieces of
 code again, we can do so in a single line.</p>
-</section><section id="testing-and-documenting"><h2 class="section-heading">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
+</section><section><h2 class="section-heading" id="testing-and-documenting">Testing and Documenting<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
+<a class="anchor" aria-label="anchor" href="#testing-and-documenting"></a>
 </h2>
 <hr class="half-width">
 <p>Once we start putting things in functions so that we can re-use them,
@@ -5777,7 +5797,8 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
     &gt;&gt;&gt; usd_to_gbp(10, 0.80)
     8.</code></pre>
 </div>
-</section><section id="defining-defaults"><h2 class="section-heading">Defining Defaults<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
+</section><section><h2 class="section-heading" id="defining-defaults">Defining Defaults<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
+<a class="anchor" aria-label="anchor" href="#defining-defaults"></a>
 </h2>
 <hr class="half-width">
 <p>We have passed parameters to functions in two ways: directly, as in
@@ -5973,7 +5994,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Attempting to define the <code>numbers</code> function results in
 <code>4. SyntaxError</code>. The defined parameters <code>two</code> and
@@ -6026,7 +6047,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-09-errors"><p>Content from <a href="09-errors.html">Errors and Exceptions</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/09-errors.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
 <div class="text-end">
@@ -6199,22 +6220,22 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 IndexError                                Traceback (most recent call last)
 &lt;ipython-input-7-3ad455d81842&gt; in &lt;module&gt;
      16     print_message(7)
-     17 
+     17
 ---&gt; 18 print_sunday_message()
-     19 
+     19
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_sunday_message()
-     14 
+     14
      15 def print_sunday_message():
 ---&gt; 16     print_message(7)
-     17 
+     17
      18 print_sunday_message()
 
 &lt;ipython-input-7-3ad455d81842&gt; in print_message(day)
      11         'Aw, the weekend is almost over.'
      12     ]
 ---&gt; 13     print(messages[day])
-     14 
+     14
      15 def print_sunday_message():
 
 IndexError: list index out of range</code></pre>
@@ -6227,7 +6248,7 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>3 levels</li>
@@ -6257,7 +6278,8 @@ <h3 class="callout-title">Better errors on newer Pythons<a class="anchor" aria-l
 </div>
 </div>
 </div>
-<section id="syntax-errors"><h2 class="section-heading">Syntax Errors<a class="anchor" aria-label="anchor" href="#syntax-errors"></a>
+<section><h2 class="section-heading" id="syntax-errors">Syntax Errors<a class="anchor" aria-label="anchor" href="#syntax-errors"></a>
+<a class="anchor" aria-label="anchor" href="#syntax-errors"></a>
 </h2>
 <hr class="half-width">
 <p>When you forget a colon at the end of a line, accidentally add one
@@ -6354,7 +6376,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 </div>
 </div>
 </div>
-</section><section id="variable-name-errors"><h2 class="section-heading">Variable Name Errors<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
+</section><section><h2 class="section-heading" id="variable-name-errors">Variable Name Errors<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
+<a class="anchor" aria-label="anchor" href="#variable-name-errors"></a>
 </h2>
 <hr class="half-width">
 <p>Another very common type of error is called a <code>NameError</code>,
@@ -6449,7 +6472,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 
 NameError: name 'count' is not defined</code></pre>
 </div>
-</section><section id="index-errors"><h2 class="section-heading">Index Errors<a class="anchor" aria-label="anchor" href="#index-errors"></a>
+</section><section><h2 class="section-heading" id="index-errors">Index Errors<a class="anchor" aria-label="anchor" href="#index-errors"></a>
+<a class="anchor" aria-label="anchor" href="#index-errors"></a>
 </h2>
 <hr class="half-width">
 <p>Next up are errors having to do with containers (like lists and
@@ -6490,7 +6514,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 <p>Here, Python is telling us that there is an <code>IndexError</code>
 in our code, meaning we tried to access a list index that did not
 exist.</p>
-</section><section id="file-errors"><h2 class="section-heading">File Errors<a class="anchor" aria-label="anchor" href="#file-errors"></a>
+</section><section><h2 class="section-heading" id="file-errors">File Errors<a class="anchor" aria-label="anchor" href="#file-errors"></a>
+<a class="anchor" aria-label="anchor" href="#file-errors"></a>
 </h2>
 <hr class="half-width">
 <p>The last type of error we’ll cover today are those associated with
@@ -6585,7 +6610,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p><code>SyntaxError</code> for missing <code>():</code> at end of first
 line, <code>IndentationError</code> for mismatch between second and
@@ -6639,7 +6664,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>3 <code>NameError</code>s for <code>number</code> being misspelled,
 for <code>message</code> not defined, and for <code>a</code> not being
@@ -6690,7 +6715,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>IndexError</code>; the last entry is <code>seasons[3]</code>,
 so <code>seasons[4]</code> doesn’t make sense. A fixed version is:</p>
@@ -6739,7 +6764,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-10-defensive"><p>Content from <a href="10-defensive.html">Defensive Programming</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/10-defensive.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 40 minutes</p>
 <div class="text-end">
@@ -6792,7 +6817,8 @@ <h3 class="card-title">Objectives</h3>
 not slow it down. As in real carpentry — the kind done with lumber — the
 time saved by measuring carefully before cutting a piece of wood is much
 greater than the time that measuring takes.</p>
-<section id="assertions"><h2 class="section-heading">Assertions<a class="anchor" aria-label="anchor" href="#assertions"></a>
+<section><h2 class="section-heading" id="assertions">Assertions<a class="anchor" aria-label="anchor" href="#assertions"></a>
+<a class="anchor" aria-label="anchor" href="#assertions"></a>
 </h2>
 <hr class="half-width">
 <p>The first step toward getting the right answers from our programs is
@@ -6988,7 +7014,8 @@ <h3 class="code-label">ERROR<i aria-hidden="true" data-feather="chevron-left"></
 re-introduced an old problem) can save a lot of time in the long run,
 and helps to warn people who are reading the code (including your future
 self) that this bit is tricky.</p>
-</section><section id="test-driven-development"><h2 class="section-heading">Test-Driven Development<a class="anchor" aria-label="anchor" href="#test-driven-development"></a>
+</section><section><h2 class="section-heading" id="test-driven-development">Test-Driven Development<a class="anchor" aria-label="anchor" href="#test-driven-development"></a>
+<a class="anchor" aria-label="anchor" href="#test-driven-development"></a>
 </h2>
 <hr class="half-width">
 <p>An assertion checks that something is true at a particular point in
@@ -7309,7 +7336,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-11-debugging"><p>Content from <a href="11-debugging.html">Debugging</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/11-debugging.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 50 minutes</p>
 <div class="text-end">
@@ -7349,7 +7376,8 @@ <h3 class="card-title">Objectives</h3>
 testing). The more experienced a programmer is, the more systematically
 they debug, and most follow some variation on the rules explained
 below.</p>
-<section id="know-what-its-supposed-to-do"><h2 class="section-heading">Know What It’s Supposed to Do<a class="anchor" aria-label="anchor" href="#know-what-its-supposed-to-do"></a>
+<section><h2 class="section-heading" id="know-what-its-supposed-to-do">Know What It’s Supposed to Do<a class="anchor" aria-label="anchor" href="#know-what-its-supposed-to-do"></a>
+<a class="anchor" aria-label="anchor" href="#know-what-its-supposed-to-do"></a>
 </h2>
 <hr class="half-width">
 <p>The first step in debugging something is to <em>know what it’s
@@ -7397,7 +7425,8 @@ <h3 class="card-title">Objectives</h3>
 correctness of their code (just as we did in the <a href="02-numpy.html">opening lesson</a> of this tutorial). This should
 only be used for debugging as a last resort, though, since it’s very
 hard to compare two visualizations automatically.</p></li>
-</ol></section><section id="make-it-fail-every-time"><h2 class="section-heading">Make It Fail Every Time<a class="anchor" aria-label="anchor" href="#make-it-fail-every-time"></a>
+</ol></section><section><h2 class="section-heading" id="make-it-fail-every-time">Make It Fail Every Time<a class="anchor" aria-label="anchor" href="#make-it-fail-every-time"></a>
+<a class="anchor" aria-label="anchor" href="#make-it-fail-every-time"></a>
 </h2>
 <hr class="half-width">
 <p>We can only debug something when it fails, so the second step is
@@ -7415,7 +7444,8 @@ <h3 class="card-title">Objectives</h3>
 likely to happen when we’re tired, frustrated, and up against a
 deadline, which is one of the reasons late-night (or overnight) coding
 sessions are almost never worthwhile.</p>
-</section><section id="make-it-fail-fast"><h2 class="section-heading">Make It Fail Fast<a class="anchor" aria-label="anchor" href="#make-it-fail-fast"></a>
+</section><section><h2 class="section-heading" id="make-it-fail-fast">Make It Fail Fast<a class="anchor" aria-label="anchor" href="#make-it-fail-fast"></a>
+<a class="anchor" aria-label="anchor" href="#make-it-fail-fast"></a>
 </h2>
 <hr class="half-width">
 <p>If it takes 20 minutes for the bug to surface, we can only do three
@@ -7436,7 +7466,8 @@ <h3 class="card-title">Objectives</h3>
 <li><p>N things can interact in N! different ways, so every line of code
 that <em>isn’t</em> run as part of a test means more than one thing we
 don’t need to worry about.</p></li>
-</ol></section><section id="change-one-thing-at-a-time-for-a-reason"><h2 class="section-heading">Change One Thing at a Time, For a Reason<a class="anchor" aria-label="anchor" href="#change-one-thing-at-a-time-for-a-reason"></a>
+</ol></section><section><h2 class="section-heading" id="change-one-thing-at-a-time-for-a-reason">Change One Thing at a Time, For a Reason<a class="anchor" aria-label="anchor" href="#change-one-thing-at-a-time-for-a-reason"></a>
+<a class="anchor" aria-label="anchor" href="#change-one-thing-at-a-time-for-a-reason"></a>
 </h2>
 <hr class="half-width">
 <p>Replacing random chunks of code is unlikely to do much good. (After
@@ -7452,7 +7483,8 @@ <h3 class="card-title">Objectives</h3>
 And we should re-run <em>all</em> of our tests: more than half of fixes
 made to code introduce (or re-introduce) bugs, so re-running all of our
 tests tells us whether we have regressed.</p>
-</section><section id="keep-track-of-what-youve-done"><h2 class="section-heading">Keep Track of What You’ve Done<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a>
+</section><section><h2 class="section-heading" id="keep-track-of-what-youve-done">Keep Track of What You’ve Done<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a>
+<a class="anchor" aria-label="anchor" href="#keep-track-of-what-youve-done"></a>
 </h2>
 <hr class="half-width">
 <p>Good scientists keep track of what they’ve done so that they can
@@ -7489,7 +7521,8 @@ <h3 class="callout-title">Version Control Revisited<a class="anchor" aria-label=
 </div>
 </div>
 </div>
-</section><section id="be-humble"><h2 class="section-heading">Be Humble<a class="anchor" aria-label="anchor" href="#be-humble"></a>
+</section><section><h2 class="section-heading" id="be-humble">Be Humble<a class="anchor" aria-label="anchor" href="#be-humble"></a>
+<a class="anchor" aria-label="anchor" href="#be-humble"></a>
 </h2>
 <hr class="half-width">
 <p>And speaking of help: if we can’t find a bug in 10 minutes, we should
@@ -7578,7 +7611,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="section level3">
 <h3 id="suggestions-for-debugging">Suggestions for debugging<a class="anchor" aria-label="anchor" href="#suggestions-for-debugging"></a>
@@ -7632,7 +7665,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </section></section><section id="aio-12-cmdline"><p>Content from <a href="12-cmdline.html">Command-Line Programs</a></p>
 <hr>
 <p>Last updated on 2024-02-23 |
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/episodes/12-cmdline.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
 <div class="text-end">
@@ -7731,7 +7764,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <p>To make this work, we need to know how to handle command-line
 arguments in a program, and understand how to handle standard input.
 We’ll tackle these questions in turn below.</p>
-<section id="command-line-arguments"><h2 class="section-heading">Command-Line Arguments<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a>
+<section><h2 class="section-heading" id="command-line-arguments">Command-Line Arguments<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a>
+<a class="anchor" aria-label="anchor" href="#command-line-arguments"></a>
 </h2>
 <hr class="half-width">
 <p>We are going to create a file with our python code in, then use the
@@ -7911,7 +7945,8 @@ <h3 class="callout-title">The Right Way to Do It<a class="anchor" aria-label="an
 </div>
 </div>
 </div>
-</section><section id="handling-multiple-files"><h2 class="section-heading">Handling Multiple Files<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a>
+</section><section><h2 class="section-heading" id="handling-multiple-files">Handling Multiple Files<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a>
+<a class="anchor" aria-label="anchor" href="#handling-multiple-files"></a>
 </h2>
 <hr class="half-width">
 <p>The next step is to teach our program how to handle multiple files.
@@ -8029,7 +8064,8 @@ <h3 class="callout-title">The Right Way to Do It<a class="anchor" aria-label="an
 </div>
 </div>
 </div>
-</section><section id="handling-command-line-flags"><h2 class="section-heading">Handling Command-Line Flags<a class="anchor" aria-label="anchor" href="#handling-command-line-flags"></a>
+</section><section><h2 class="section-heading" id="handling-command-line-flags">Handling Command-Line Flags<a class="anchor" aria-label="anchor" href="#handling-command-line-flags"></a>
+<a class="anchor" aria-label="anchor" href="#handling-command-line-flags"></a>
 </h2>
 <hr class="half-width">
 <p>The next step is to teach our program to pay attention to the
@@ -8138,7 +8174,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 </div>
 <p>This is four lines longer than its predecessor, but broken into more
 digestible chunks of 8 and 12 lines.</p>
-</section><section id="handling-standard-input"><h2 class="section-heading">Handling Standard Input<a class="anchor" aria-label="anchor" href="#handling-standard-input"></a>
+</section><section><h2 class="section-heading" id="handling-standard-input">Handling Standard Input<a class="anchor" aria-label="anchor" href="#handling-standard-input"></a>
+<a class="anchor" aria-label="anchor" href="#handling-standard-input"></a>
 </h2>
 <hr class="half-width">
 <p>The next thing our program has to do is read data from standard input
@@ -8288,7 +8325,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb50">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -8358,7 +8395,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -8402,7 +8439,7 @@ <h3 class="callout-title">Changing Flags<a class="anchor" aria-label="anchor" hr
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
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         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
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 <li>Test the simple things first.</li>
 </ol><p>And remember, a week of hard work can sometimes save you an hour of
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 <hr class="half-width"><p>Let’s take a closer look at what happens when we call
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 library called <code>ipythonblocks</code>. The first step is to create
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
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   "dateCreated": "2014-11-25",
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         <h1>Additional Exercises</h1>
         <p>Last updated on 2024-02-23 |
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         </div>
@@ -579,18 +579,18 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
       		<footer class="row footer mx-md-3"><hr><div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
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         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/instructors/extra_exercises.md" class="external-link">Edit on GitHub</a>
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         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
 			</div>
@@ -615,7 +615,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/extra_exercises.html",
   "dateCreated": "2014-11-25",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-02"
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
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@@ -65,7 +65,7 @@
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         <a href="12-cmdline.html">12. Command-Line Programs</a>
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@@ -415,11 +415,11 @@ <h2 class="accordion-header" id="flush-headingTwelve">
             </div>
             <hr class="half-width resources">
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@@ -543,18 +543,18 @@ <h3 id="10-defensive-figure-1">Figure 1</h3>
 <div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
 			</div>
@@ -579,8 +579,8 @@ <h3 id="10-defensive-figure-1">Figure 1</h3>
   "url": "https://swcarpentry.github.io/python-novice-inflammation/instructor/images.html",
   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/images.html",
   "dateCreated": "2014-11-25",
-  "dateModified": "2024-07-02",
-  "datePublished": "2024-07-02"
+  "dateModified": "2024-07-09",
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 51a9310..6aed5a5 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -46,7 +46,7 @@
             </li>
           </ul></li>
       </div>
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       <div class="dropdown" id="instructor-dropdown">
         <button class="btn btn-secondary dropdown-toggle bordered-button" type="button" id="dropdownMenu1" data-bs-toggle="dropdown" aria-expanded="false">
           <i aria-hidden="true" class="icon" data-feather="eye"></i> Instructor View <i data-feather="chevron-down"></i>
@@ -170,7 +170,7 @@ <h2 class="accordion-header" id="flush-headingNine">
                 </div><!--/div.accordion-flush-->
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         <a href="01-intro.html">1. Python Fundamentals</a>
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         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
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@@ -220,7 +220,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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         <a href="03-matplotlib.html">3. Visualizing Tabular Data</a>
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     <div class="accordion-header" id="flush-heading5">
         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
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     <div class="accordion-header" id="flush-heading7">
         <a href="06-files.html">6. Analyzing Data from Multiple Files</a>
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@@ -256,7 +256,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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         <a href="07-cond.html">7. Making Choices</a>
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     <div class="accordion-header" id="flush-heading9">
         <a href="08-func.html">8. Creating Functions</a>
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@@ -274,7 +274,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading10">
         <a href="09-errors.html">9. Errors and Exceptions</a>
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         <a href="10-defensive.html">10. Defensive Programming</a>
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@@ -292,7 +292,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
     <div class="accordion-header" id="flush-heading12">
         <a href="11-debugging.html">11. Debugging</a>
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         <a href="12-cmdline.html">12. Command-Line Programs</a>
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               </div>
             </div>
             <hr class="half-width resources"><a href="../instructor/aio.html">See all in one page</a>
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             <hr class="d-none d-sm-block d-md-none"><div class="d-grid gap-1">
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             </div>
           </div><!-- /div.accordion -->
         </div><!-- /div.sidebar-inner -->
@@ -546,13 +546,13 @@ <h3 id="getting-started">Getting Started<a class="anchor" aria-label="anchor" hr
 </tr></tbody></table><p>
       The actual schedule may vary slightly depending on the topics and exercises chosen by the instructor.
       </p>
-      </section><section id="setup"><section id="overview"><h2 class="section-heading">Overview<a class="anchor" aria-label="anchor" href="#overview"></a>
-</h2>
+      </section><section id="setup"><section><h2 class="section-heading" id="overview">Overview<a class="anchor" aria-label="anchor" href="#overview"></a>
+<a class="anchor" aria-label="anchor" href="#overview"></a></h2>
 <hr class="half-width"><p>This lesson is designed to be run on a personal computer. All of the
 software and data used in this lesson are freely available online, and
 instructions on how to obtain them are provided below.</p>
-</section><section id="install-python"><h2 class="section-heading">Install Python<a class="anchor" aria-label="anchor" href="#install-python"></a>
-</h2>
+</section><section><h2 class="section-heading" id="install-python">Install Python<a class="anchor" aria-label="anchor" href="#install-python"></a>
+<a class="anchor" aria-label="anchor" href="#install-python"></a></h2>
 <hr class="half-width"><p>In this lesson, we will be using Python 3 with some of its most
 popular scientific libraries. Although one can install a plain-vanilla
 Python and all required libraries by hand, we recommend installing <a href="https://www.anaconda.com/" class="external-link">Anaconda</a>, a Python distribution
@@ -561,8 +561,8 @@ <h3 id="getting-started">Getting Started<a class="anchor" aria-label="anchor" hr
 Carpentries <a href="https://carpentries.github.io/workshop-template/#python" class="external-link">template
 website for workshops</a> and in <a href="https://docs.anaconda.com/anaconda/install" class="external-link">Anaconda
 documentation</a>.</p>
-</section><section id="obtain-lesson-materials"><h2 class="section-heading">Obtain lesson materials<a class="anchor" aria-label="anchor" href="#obtain-lesson-materials"></a>
-</h2>
+</section><section><h2 class="section-heading" id="obtain-lesson-materials">Obtain lesson materials<a class="anchor" aria-label="anchor" href="#obtain-lesson-materials"></a>
+<a class="anchor" aria-label="anchor" href="#obtain-lesson-materials"></a></h2>
 <hr class="half-width"><ol style="list-style-type: decimal"><li>Download <a href="../data/python-novice-gapminder-data.zip">python-novice-gapminder-data.zip</a>
 and <a href="../files/code/python-novice-gapminder-code.zip">python-novice-gapminder-code.zip</a>.</li>
 <li>Create a folder called <code>swc-python</code> on your Desktop.</li>
@@ -571,15 +571,15 @@ <h3 id="getting-started">Getting Started<a class="anchor" aria-label="anchor" hr
 </ol><p>You should see two folders called <code>data</code> and
 <code>code</code> in the <code>swc-python</code> directory on your
 Desktop.</p>
-</section><section id="launch-python-interface"><h2 class="section-heading">Launch Python interface<a class="anchor" aria-label="anchor" href="#launch-python-interface"></a>
-</h2>
+</section><section><h2 class="section-heading" id="launch-python-interface">Launch Python interface<a class="anchor" aria-label="anchor" href="#launch-python-interface"></a>
+<a class="anchor" aria-label="anchor" href="#launch-python-interface"></a></h2>
 <hr class="half-width"><p>To start working with Python, we need to launch a program that will
 interpret and execute our Python commands. Below we list several
 options. If you don’t have a preference, proceed with the top option in
 the list that is available on your machine. Otherwise, you may use any
 interface you like.</p>
-</section><section id="option-a-jupyter-notebook"><h2 class="section-heading">Option A: Jupyter Notebook<a class="anchor" aria-label="anchor" href="#option-a-jupyter-notebook"></a>
-</h2>
+</section><section><h2 class="section-heading" id="option-a-jupyter-notebook">Option A: Jupyter Notebook<a class="anchor" aria-label="anchor" href="#option-a-jupyter-notebook"></a>
+<a class="anchor" aria-label="anchor" href="#option-a-jupyter-notebook"></a></h2>
 <hr class="half-width"><p>A Jupyter Notebook provides a browser-based interface for working
 with Python. If you installed Anaconda, you can launch a notebook in two
 ways:</p>
@@ -593,7 +593,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Anaconda Navigator
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Launch Anaconda Navigator. It might ask you if you’d like to send
 anonymized usage information to Anaconda developers: <img src="../fig/anaconda-navigator-first-launch.png" alt="Anaconda Navigator first launch" class="figure"> Make your choice and click “Ok,
@@ -620,7 +620,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Command line (Terminal)
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>1. Navigate to the <code>data</code> directory:</p>
 <div class="empty-div" style="margin-bottom: 50px">
@@ -633,7 +633,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Unix shell
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>If you’re using a Unix shell application, such as Terminal app in
 macOS, Console or Terminal in Linux, or <a href="https://gitforwindows.org" class="external-link">Git Bash</a> on Windows, execute the
@@ -657,7 +657,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Command Prompt (Windows)
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>On Windows, you can use its native Command Prompt program. The
 easiest way to start it up is pressing <kbd>Windows Logo
@@ -680,7 +680,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Unix shell
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -701,7 +701,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Command Prompt (Windows)
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <pre class="source"><code>python -m notebook</code></pre>
 </div>
@@ -715,8 +715,8 @@ <h4 class="accordion-header" id="headingSolution5">
 </div>
 </div>
 <p>  <!-- vertical spacer --></p>
-</section><section id="option-b-ipython-interpreter"><h2 class="section-heading">Option B: IPython interpreter<a class="anchor" aria-label="anchor" href="#option-b-ipython-interpreter"></a>
-</h2>
+</section><section><h2 class="section-heading" id="option-b-ipython-interpreter">Option B: IPython interpreter<a class="anchor" aria-label="anchor" href="#option-b-ipython-interpreter"></a>
+<a class="anchor" aria-label="anchor" href="#option-b-ipython-interpreter"></a></h2>
 <hr class="half-width"><p>IPython is an alternative solution situated somewhere in between the
 plain-vanilla Python interpreter and Jupyter Notebook. It provides an
 interactive command-line based interpreter with various convenience
@@ -725,8 +725,8 @@ <h4 class="accordion-header" id="headingSolution5">
 <p>To start using IPython, execute:</p>
 <pre class="source"><code><span><span class="va">ipython</span></span></code></pre>
 <p>  <!-- vertical spacer --></p>
-</section><section id="option-c-plain-vanilla-python-interpreter"><h2 class="section-heading">Option C: plain-vanilla Python interpreter<a class="anchor" aria-label="anchor" href="#option-c-plain-vanilla-python-interpreter"></a>
-</h2>
+</section><section><h2 class="section-heading" id="option-c-plain-vanilla-python-interpreter">Option C: plain-vanilla Python interpreter<a class="anchor" aria-label="anchor" href="#option-c-plain-vanilla-python-interpreter"></a>
+<a class="anchor" aria-label="anchor" href="#option-c-plain-vanilla-python-interpreter"></a></h2>
 <hr class="half-width"><p>To launch a plain-vanilla Python interpreter, execute:</p>
 <pre class="source"><code><span><span class="va">python</span></span></code></pre>
 <p>If you are using <a href="https://gitforwindows.org" class="external-link">Git Bash on
@@ -747,18 +747,18 @@ <h4 class="accordion-header" id="headingSolution5">
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         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/index.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.5" class="external-link">sandpaper (0.16.5)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.6" class="external-link">pegboard (0.7.6)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.3" class="external-link">varnish (1.0.3)</a></p>
 			</div>
@@ -782,8 +782,8 @@ <h4 class="accordion-header" id="headingSolution5">
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/index.html",
   "dateCreated": "2014-11-25",
-  "dateModified": "2024-07-02",
-  "datePublished": "2024-07-02"
+  "dateModified": "2024-07-09",
+  "datePublished": "2024-07-09"
 }
 
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 12b3b0f..f0a37d0 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -65,7 +65,7 @@
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+
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           <i aria-hidden="true" class="icon" data-feather="eye"></i> Instructor View <i data-feather="chevron-down"></i>
@@ -207,7 +207,7 @@ <h2 class="accordion-header" id="flush-headingNine">
 <!--div.sidenav-view-selector -->
             </div>
 <!--/div.col -->
-      
+
             <hr>
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 <!--/div.mobile-row -->
@@ -229,7 +229,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="index.html">Summary and Schedule</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
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@@ -241,7 +241,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="01-intro.html">1. Python Fundamentals</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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     </div>
 <!--/div.accordion-header-->
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+
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@@ -265,7 +265,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="03-matplotlib.html">3. Visualizing Tabular Data</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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@@ -277,7 +277,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
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@@ -289,7 +289,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="05-loop.html">5. Repeating Actions with Loops</a>
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 <!--/div.accordion-header-->
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         <a href="06-files.html">6. Analyzing Data from Multiple Files</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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@@ -313,7 +313,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="07-cond.html">7. Making Choices</a>
     </div>
 <!--/div.accordion-header-->
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+
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@@ -325,7 +325,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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     </div>
 <!--/div.accordion-header-->
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+
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@@ -337,7 +337,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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     </div>
 <!--/div.accordion-header-->
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+
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@@ -349,7 +349,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="10-defensive.html">10. Defensive Programming</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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 <!--/div.accordion-item-->
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@@ -361,7 +361,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="11-debugging.html">11. Debugging</a>
     </div>
 <!--/div.accordion-header-->
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+
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@@ -373,7 +373,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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     </div>
 <!--/div.accordion-header-->
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+
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             </div>
             <hr class="half-width resources">
 <a href="../instructor/aio.html">See all in one page</a>
-            
+
 
             <hr class="d-none d-sm-block d-md-none">
 <div class="d-grid gap-1">
-            
+
             </div>
           </div>
 <!-- /div.accordion -->
@@ -438,7 +438,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         <h1>Instructor Notes</h1>
         
 
-<section id="about-the-lesson"><h2 class="section-heading">About the lesson<a class="anchor" aria-label="anchor" href="#about-the-lesson"></a>
+<section><h2 class="section-heading" id="about-the-lesson">About the lesson<a class="anchor" aria-label="anchor" href="#about-the-lesson"></a>
+<a class="anchor" aria-label="anchor" href="#about-the-lesson"></a>
 </h2>
 <hr class="half-width">
 <p>Our real goal isn’t to teach workshop attendees Python as a
@@ -450,7 +451,8 @@ <h1>Instructor Notes</h1>
 <li>It has a large and constantly growing user-base which includes
 scientists.</li>
 <li>It is easier for novices to pick up than most other languages.</li>
-</ol></section><section id="legend"><h2 class="section-heading">Legend<a class="anchor" aria-label="anchor" href="#legend"></a>
+</ol></section><section><h2 class="section-heading" id="legend">Legend<a class="anchor" aria-label="anchor" href="#legend"></a>
+<a class="anchor" aria-label="anchor" href="#legend"></a>
 </h2>
 <hr class="half-width">
 <p>We are using a dataset with records on inflammation from patients
@@ -458,7 +460,8 @@ <h1>Instructor Notes</h1>
 <p>We make reference in the lesson that this data is suspicious and has
 been synthetically generated in Python by the imaginary “Dr. Maverick”!
 The script used to generate the inflammation data is included as <a href="../files/code/gen_inflammation.py"><code>code/gen_inflammation.py</code></a>.</p>
-</section><section id="overall"><h2 class="section-heading">Overall<a class="anchor" aria-label="anchor" href="#overall"></a>
+</section><section><h2 class="section-heading" id="overall">Overall<a class="anchor" aria-label="anchor" href="#overall"></a>
+<a class="anchor" aria-label="anchor" href="#overall"></a>
 </h2>
 <hr class="half-width">
 <p>This lesson is written as an introduction to Python, but its real
@@ -511,7 +514,8 @@ <h1>Instructor Notes</h1>
 <p>The discussion of command-line scripts assumes that students
 understand standard I/O and building filters, which are covered in the
 lesson on the shell.</p>
-</section><section id="frequently-argued-issues-fai"><h2 class="section-heading">Frequently Argued Issues (FAI)<a class="anchor" aria-label="anchor" href="#frequently-argued-issues-fai"></a>
+</section><section><h2 class="section-heading" id="frequently-argued-issues-fai">Frequently Argued Issues (FAI)<a class="anchor" aria-label="anchor" href="#frequently-argued-issues-fai"></a>
+<a class="anchor" aria-label="anchor" href="#frequently-argued-issues-fai"></a>
 </h2>
 <hr class="half-width">
 <ul>
@@ -577,18 +581,18 @@ <h1>Instructor Notes</h1>
 <div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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   "dateCreated": "2014-11-25",
-  "dateModified": "2024-07-02",
-  "datePublished": "2024-07-02"
+  "dateModified": "2024-07-09",
+  "datePublished": "2024-07-09"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 3f6c225..448560e 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -65,7 +65,7 @@
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 </li>
       </div>
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+
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@@ -207,7 +207,7 @@ <h2 class="accordion-header" id="flush-headingNine">
 <!--div.sidenav-view-selector -->
             </div>
 <!--/div.col -->
-      
+
             <hr>
 </div>
 <!--/div.mobile-row -->
@@ -229,7 +229,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="index.html">Summary and Schedule</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -241,7 +241,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="01-intro.html">1. Python Fundamentals</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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 <!--/div.accordion-item-->
 </div>
@@ -253,7 +253,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="02-read_data.html">2. Reading Tabular Data into DataFrames</a>
     </div>
 <!--/div.accordion-header-->
-        
+
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 <!--/div.accordion-item-->
 </div>
@@ -265,7 +265,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="03-matplotlib.html">3. Visualizing Tabular Data</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -277,7 +277,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="04-lists.html">4. Storing Multiple Values in Lists</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -289,7 +289,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="05-loop.html">5. Repeating Actions with Loops</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -301,7 +301,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="06-files.html">6. Analyzing Data from Multiple Files</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -313,7 +313,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="07-cond.html">7. Making Choices</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -325,7 +325,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="08-func.html">8. Creating Functions</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -337,7 +337,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="09-errors.html">9. Errors and Exceptions</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -349,7 +349,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="10-defensive.html">10. Defensive Programming</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -361,7 +361,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="11-debugging.html">11. Debugging</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -373,7 +373,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
         <a href="12-cmdline.html">12. Command-Line Programs</a>
     </div>
 <!--/div.accordion-header-->
-        
+
   </div>
 <!--/div.accordion-item-->
 </div>
@@ -415,11 +415,11 @@ <h2 class="accordion-header" id="flush-headingTwelve">
             </div>
             <hr class="half-width resources">
 <a href="../instructor/aio.html">See all in one page</a>
-            
+
 
             <hr class="d-none d-sm-block d-md-none">
 <div class="d-grid gap-1">
-            
+
             </div>
           </div>
 <!-- /div.accordion -->
@@ -626,18 +626,18 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 <div class="col-md-6">
         <p>This lesson is subject to the <a href="CODE_OF_CONDUCT.html">Code of Conduct</a></p>
         <p>
-        
+
         <a href="https://github.com/swcarpentry/python-novice-inflammation/edit/main/README.md" class="external-link">Edit on GitHub</a>
-        
+
 	
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a>
         | <a href="https://github.com/swcarpentry/python-novice-inflammation/" class="external-link">Source</a></p>
 				<p><a href="https://github.com/swcarpentry/python-novice-inflammation/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:team@carpentries.org">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
-        
+
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
-        
+
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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 			</div>
@@ -662,8 +662,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://swcarpentry.github.io/python-novice-inflammation/instructor/key-points.html",
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-  "dateModified": "2024-07-02",
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+  "datePublished": "2024-07-09"
 }
 
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index 454e27c..a0576f2 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -46,7 +46,7 @@
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+
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                 </div><!--/div.accordion-flush-->
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+
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           <div class="accordion accordion-flush" id="accordionFlush11">
@@ -189,7 +189,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
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