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krother · Jan 3, 2024 · 94ba658 · 94ba658
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diff --git a/README.md b/README.md
@@ -11,128 +11,6 @@ Pick an exercise and start programming!
 
 There is a live site on [www.academis.eu/python_basics/](http://www.academis.eu/python_basics/)
 
-----
-
-## First Steps
-
-| Chapter | Difficulty |
-|-----------|---------------|
-| [Installing Python](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/installing_python.rst) | ⭐ |
-| [Python as a calculator](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/python_shell.rst) | ⭐ |
-| [Hello World](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/hello.rst) | ⭐ |
-| [Ada Lovelace](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/type_conversions.rst) | ⭐ |
-| [Rock-Paper-Scissors](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/rock_paper_scissors.rst) | ⭐ |
-| [Square Numbers](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/for.rst) | ⭐ |
-| [Slideshow](https://github.com/krother/Python3_Basics_Tutorial/blob/master/first_steps/slideshow.rst) | ⭐ |
-
-----
-
-## Data Structures
-
-| Chapter | Difficulty |
-|-----------|---------------|
-| [Strings](https://github.com/krother/Python3_Basics_Tutorial/blob/master/data_structures/strings.md) | ⭐ |
-| [Lists](https://github.com/krother/Python3_Basics_Tutorial/blob/master/data_structures/lists.md) | ⭐ |
-| [Dictionaries](https://github.com/krother/Python3_Basics_Tutorial/blob/master/data_structures/dictionaries.md) | ⭐⭐ |
-| [Nested Lists](https://github.com/krother/Python3_Basics_Tutorial/blob/master/data_structures/tables.md) | ⭐⭐ |
-| [Data Types Overview](https://github.com/krother/Python3_Basics_Tutorial/blob/master/reference/data_types.rst) | ⭐ |
-
-----
-
-## Tabular Data
-
-| Challenge | Difficulty |
-|-----------|---------------|
-| [Reading a text file](https://github.com/krother/Python3_Basics_Tutorial/blob/master/tabular_data/readfile.md) | ⭐ |
-| [Extracting data from text](https://github.com/krother/Python3_Basics_Tutorial/blob/master/tabular_data/parsing.md) | ⭐ |
-| [Writing files](https://github.com/krother/Python3_Basics_Tutorial/blob/master/tabular_data/writing_files.md) | ⭐ |
-| [Create a Time Series](https://github.com/krother/Python3_Basics_Tutorial/blob/master/tabular_data/time_series.md) | ⭐ |
-| [Working with directories](https://github.com/krother/Python3_Basics_Tutorial/blob/master/tabular_data/os.md) | ⭐ |
-
-----
-
-## Program Structures
-
-| Chapter | Difficulty |
-|-----------|---------------|
-| [Conditional Loops](https://github.com/krother/Python3_Basics_Tutorial/blob/master/reference/while.rst) | ⭐ |
-| [Writing your own Functions](https://github.com/krother/Python3_Basics_Tutorial/blob/master/structure/functions.md) | ⭐⭐ |
-| [Shortcuts](https://github.com/krother/Python3_Basics_Tutorial/blob/master/structure/builtin_functions.md) | ⭐⭐ |
-
-
-----
-
-# Challenges
-
-| Challenge | Difficulty |
-|-----------|---------------|
-| [Christmas Tree](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/ctree.md) | ⭐ |
-| [Pyramid](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/pyramid.md) | ⭐ |
-| [Fizz-Buzz-Test](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/fizzbuzz.md) | ⭐ |
-| [Tic-Tac-Toe](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/tictac.md) | ⭐⭐ |
-| [Checkerboard](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/checker.md) | ⭐⭐ |
-
-## Text processing
-
-| Challenge | Difficulty    |
-|-----------|---------------|
-| [Palindrome](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/palindrome.md) | ⭐⭐ |
-| [Anagrams](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/anagrams.md) | ⭐⭐ |
-| [Roman Numbers](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/roman.md) | ⭐⭐⭐ |
-| [Encryption](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/encrypt.md) | ⭐⭐⭐ |
-| [Minesweeper](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/minesweeper.md) | ⭐⭐⭐ |
-
-## Math Problems
-
-| Challenge | Difficulty |
-|-----------|---------------|
-| [Factorials](challenges/factorials.md) | ⭐ |
-| [Common Divisor](challenges/ggt.md) | ⭐ |
-| [Fibonacci](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/fibonacci.md) | ⭐⭐ |
-| [Multiplicative Digital Root](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/querprodukt.md) | ⭐⭐ |
-| [Birthday Problem](https://github.com/krother/Python3_Basics_Tutorial/blob/master/challenges/birthdays.md) | ⭐⭐ |
-
-## Algorithms
-
-| Challenge | Difficulty |
-|-----------|---------------|
-| [Binary Search](algorithms/binary_search.md) | ⭐ |
-| [Sorting Algorithms](algorithms/sorting.md) | ⭐ |
-| [Chained List](algorithms/chained_list.md) | ⭐⭐ |
-| [Josephus' Problem](algorithms/josephus.md) | ⭐⭐ |
-| [Tree Traversal](algorithms/tree_traversal.md) | ⭐⭐ |
-| [Graph Traversal](algorithms/graph_traversal.md) | ⭐⭐⭐ |
-| [Magic Square](algorithms/magic_square.md) | ⭐⭐⭐ |
-| [Traveling Salesman](algorithms/tsp.md) | ⭐⭐⭐ |
-| [Backpack Problem](algorithms/backpack_problem.md) | ⭐⭐⭐⭐ |
-| [Blockchain](algorithms/blockchain.md) | ⭐⭐⭐⭐ |
-
-## Web Development
-
-| Challenge | Difficulty |
-|-----------|---------------|
-| [Ping Pong](web/pingpong.md) | ⭐⭐ |
-| [Google Search](web/google.md) | ⭐⭐⭐ |
-| [Download Web Pages](web/webrecherche.md) | ⭐⭐⭐ |
-
-----
-
-## More about Python
-
-* [Recap Questions](recap.md)
-* [Modules](structure/modules.md)
-* [Introspection](structure/introspection.md)
-* [Background information on Python 3](appendix/background_info.md)
-
-----
-
-## Appendix
-
-* [Recommended books and websites](https://github.com/krother/Python3_Basics_Tutorial/blob/master/appendix/links.md)
-* [Learning Goals](appendix/goals.md)
-
-----
-
 
 ## License
 

diff --git a/challenges/anagrams.md b/challenges/anagrams.md
diff --git a/challenges/anagrams.rst b/challenges/anagrams.rst
@@ -0,0 +1,35 @@
+Anagrams
+========
+
+**🎯 Generate all anagrams of a word with 3-6 letters.**
+
+For example, the string:
+
+::
+
+   ROT
+
+has the anagrams (permutations of characters):
+
+::
+
+   TOR
+   ORT
+   TRO
+   RTO
+   OTR
+
+Hints
+-----
+
+-  Look up the function ``itertools.permutations()``.
+-  You may need an expression like ``''.join(["T", "O", "R"])``
+
+Extra challenges
+----------------
+
+-  Get yourself a word list. Find anagrams that are real words.
+-  Implement the algorithm to generate the anagrams yourself. Get
+   informed about **dynamic programming**.
+
+*Translated with* `www.DeepL.com <https://www.DeepL.com/Translator>`__
diff --git a/challenges/baby_name_generator.md b/challenges/baby_name_generator.md
diff --git a/challenges/baby_name_generator.rst b/challenges/baby_name_generator.rst
@@ -0,0 +1,18 @@
+Baby Name Generator
+===================
+
+**🎯 Write a baby name generator for undecided parents.**
+
+Use the function ``random.choice()`` from the `random
+module <https://docs.python.org/3/library/random.html#module-random>`__.
+
+Extra Challenges:
+-----------------
+
+-  The program randomly outputs a name from a predefined list.
+-  The program randomly outputs a name from the `US civil
+   register <http://www.ssa.gov/oact/babynames/limits.html>`__
+-  The user can select either a boy’s or girl’s name
+-  The programme makes 10 proposals
+
+*Translated with* `www.DeepL.com <https://www.DeepL.com/Translator>`__
diff --git a/challenges/birthdays.md b/challenges/birthdays.md
diff --git a/challenges/birthdays.rst b/challenges/birthdays.rst
@@ -0,0 +1,24 @@
+Birthday Problem
+================
+
+**🎯 Calculate probabilities**
+
+You’re attending a party with N guests.
+Calculate how likely it is that at least two of them will have a birthday on the same day.
+
+Hints
+-----
+
+-  there are at least two people at the party
+-  assume that birthdays occur on all days of the year with the same probability.
+-  ignore leap years
+
+Questions
+---------
+
+-  How many people have to be there for a >50% or >90% chance?
+-  What is the probability that there are two or more pairs?
+-  consider when the assumption that all days have the same probability
+   makes sense
+
+*Translated with* `www.DeepL.com <https://www.DeepL.com/Translator>`__
diff --git a/challenges/checker.md b/challenges/checker.md
diff --git a/challenges/checker.rst b/challenges/checker.rst
@@ -0,0 +1,23 @@
+Checkerboard
+============
+
+**🎯 Write a program that outputs a chess board with 8 \* 8 squares:**
+
+::
+
+   #_#_#_#_
+   _#_#_#_#
+   #_#_#_#_
+   _#_#_#_#
+   #_#_#_#_
+   _#_#_#_#
+   #_#_#_#_
+
+Extra Challenges
+----------------
+
+-  use a single ``print()`` statement
+-  the characters ``#`` and ``_`` occur only once in the program
+-  do not use the assignment operator ``=``
+
+*Translated with* `www.DeepL.com <https://www.DeepL.com/Translator>`__
diff --git a/challenges/ctree.md b/challenges/ctree.md
diff --git a/challenges/ctree.rst b/challenges/ctree.rst
@@ -0,0 +1,13 @@
+Christmas Tree
+==============
+
+**🎯 Write a program that outputs the following image:**
+
+::
+
+        *
+       ***
+      *****
+     *******
+    *********
+   ***********
diff --git a/challenges/encrypt.md b/challenges/encrypt.md