What are Python’s data structures? explain with example.
What are Python’s data structures?
Ask by Anubhav Sharma
Updated 01 Sep 2025
Python provides several built-in data structures, and it also allows you to create custom ones. These are mainly divided into primitive and non-primitive (collection) data structures.
1. Primitive Data Structures
These are the most basic types:
10,-3)3.14,-2.5)3+4j)True,False)"hello",'Python')2. Non-Primitive (Collections) Data Structures
These are used to store multiple values.
a. List
Ordered, mutable, allows duplicates.
Example:
b. Tuple
Ordered, immutable, allows duplicates.
Example:
c. Set
Unordered, mutable, does not allow duplicates.
Example:
d. Dictionary (dict)
Unordered (insertion-ordered since Python 3.7), mutable, stores key–value pairs.
Example:
3. Specialized Data Structures (from
collectionsmodule)4. User-Defined Data Structures
You can also implement:
deque)dequeorqueue.Queue)In short:
list,tuple,set,dictdeque,Counter,defaultdict, etc.