nested functions in python
Nested Functions in Python | Python Programming Basics with CODiiN 🐍✨
👉 Welcome to the CODiiN channel! In this video, we explore the powerful concept of Nested Functions in Python—a key feature that enhances the flexibility and organization of your code.
📚 Understanding Nested Functions
A nested function is a function defined inside another function. This powerful feature allows you to encapsulate functionality, control scope, and create closures. Nested functions can access variables from the enclosing (outer) function, making them useful for a variety of programming scenarios.
🛠️ Key Concepts Covered
In this tutorial, we’ll cover:
Defining Nested Functions: Learn how to create functions within functions and understand their scope and accessibility.
Accessing Outer Function Variables: Discover how nested functions can access variables from their enclosing functions, promoting data encapsulation.
Using Nested Functions for Closures: Understand closures and how nested functions can retain access to their outer function's variables even after the outer function has completed execution.
💡 Why Use Nested Functions?
Using nested functions is beneficial for:
Encapsulation: Keeping your code organized and minimizing the pollution of the global namespace.
Improved Readability: Making the code easier to read and maintain by logically grouping related functionality.
Enhanced Functionality: Leveraging closures for advanced use cases like factory functions or decorators.
📥 What You Will Learn
By the end of this video, you will:
Know how to define and use nested functions in Python.
Understand the concept of closures and how they work with nested functions.
Be able to apply nested functions to solve real-world problems in your projects.
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