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12 changes: 6 additions & 6 deletions 07.Tuple.md
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# Lesson 7: Data Structures p.2 (`tuple`)

> Tuples are the static snapshots of data, providing a reliable and immutable record of information in code."
> "Tuples are the static snapshots of data, providing a reliable and immutable record of information in code."

## Content

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## 1. Overview of Tuples

In `Python` a `tuple` - is an _immutable, ordered sequence of items_.
In `Python` a `tuple` is an _immutable, ordered sequence of items_.

Similar to `lists`, `tuples` can contain elements of different data types, but <span style="color:red"> _**cannot**_ be modified after their creation</span>.

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Yes, it's `Python` baby, but I promise, you will get used to this once understand the concept of objects and how do they work.

Note that `id` of the `tuple` hasn't changed, but `id` of the objects inside has.
Note that `id` of the `tuple` hasn't changed, but the content of the objects inside has.

## 2. Features Overview

Same as lists `Python` supports `indexing`, `slicing`, `concatenation`, `multiplication`, `unpacking` and some `built-in` functions.
Same as lists, `Python` tuples support `indexing`, `slicing`, `concatenation`, `multiplication`, `unpacking` and some `built-in` functions.

Suppose we have the following two tuples:

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## 3. Iterations

Typically we use tuples for stroing the _constants_.
Typically we use tuples for storing _constants_.

### 3.1 Using `for in`

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There is a built-in function called `enumerate()`, that adds a counter to an iterable.

It can be used with <span style="color:green"> any iterable</span>. and be particulary useful with when <span style="color:green"> both the element and its index </span> are needed.
It can be used with <span style="color:green"> any iterable</span> and be particulary useful when <span style="color:green"> both the element and its index </span> are needed.

```python
# Tuple of weekdays
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