freeCodeCamp/guide/english/python/data-structures/index.md

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The Python Data Structures

A data structure is a particular way of organizing data in a computer so that it can be used efficiently. Python comes with a robust set of inbuilt data structures. Some of the most commonly used ones are :-

• Lists
• Tuples
• Dictionaries

Majorly, the data structures can be divided into two categories :-

• Mutable :- A mutable data structure is a structure whose state can be modified after it is created. Python Lists and Dictionaries are mutable.
• Immutable :- An immutable data structure can't be modified. Example :- Once a tuple is created, we can't update the values inside it.

Reference:

Python Data Structures