Python Functions & File Handling Explained | Beginner to Pro | Study Reckoner

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In this video, we’ll cover two powerful topics in Python: Functions and File Handling, explained in a simple and beginner-friendly way.

What you’ll learn:

Introduction to Python functions

Built-in vs User-defined functions

Function arguments: positional, keyword, default, and *args/**kwargs

Return statements and scope of variables

File Handling basics: opening, reading, writing, and closing files

Modes in file handling – ‘r’, ‘w’, ‘a’, ‘rb’, etc.

Real-life examples and use cases
This video is perfect for beginners who want to strengthen their Python basics or revise these core concepts for interviews and projects.

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