NESTED CLASSES in PYTHON | Python for Beginners
In this Python tutorial, we take a deep dive into a powerful but lesser-known feature of object-oriented programming:
👉 Nested classes (also called inner classes).
You’ll learn:
What a nested class is and how to define it
Why you’d want to use a class inside another class
When nested classes make your code cleaner, safer, and more organized
How to use static methods inside nested classes for validation and helpers
💡 We’ll walk through practical examples like:
SOURCE CODE :
1) Computer and its inner CPU class - https://github.com/bhumikapandey1992/...
2) Game with a nested Player class - https://github.com/bhumikapandey1992/...
3) A Form class that uses a nested Validator with a @staticmethod - https://github.com/bhumikapandey1992/...
📌 Whether you’re writing utility classes, organizing logic, or just want to clean up your class structure — this tutorial shows you how and why nested classes work.
🧠 Topics Covered:
Nested class syntax & access
Naming conventions (Player vs player)
Class vs instance responsibilities
When not to use nested classes
🔗 Timestamps
0:00 – What is a nested class?
0:41 – Example: Computer and CPU
3:07 – Game and Player example
5:08 – Static method inside a nested class (Form validation example)
9:02 – Summary & best practices
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Recommended books :
1) https://amzn.to/4o4TxmP
2) https://amzn.to/46Q8XoA
3) https://amzn.to/3IDPTjq
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