24. Master Python File I/O: Read, Write & Manage Data (Build a To-Do List)

Python File Handling: Read & Write Files Like a Pro (Learn with a To-Do App!)

Unlock the power of Python file handling in this comprehensive tutorial! Whether you're a beginner or looking to solidify your skills, you'll learn everything you need to read from and write to files, ensuring your data persists even after your programs close. We'll dive into file modes, context managers, and essential methods like read(), write(), and append().

But that's not all! We'll apply these critical concepts by building a practical To-Do List application from scratch. This project will show you how to manage data persistence in a real-world scenario, a fundamental skill for all Future Coding Stars.

Video Chapters:
00:00 Python File Handling Intro & Overview
00:40 What are Files? Why File Persistence Matters
01:04 Understanding Python File Modes (r, w, a, x)
02:01 The open() Function for File I/O
02:48 Why Use with Statement for Files? (Context Managers)
03:11 Reading Files: read(), readline(), readlines() Explained
04:08 Writing to Files: write() & writelines()
04:54 'w' vs 'a' File Modes: Overwriting vs. Appending
05:08 Hands-On Python File Operations (Live Coding)
07:54 Common File Handling Errors & How to Fix Them
09:23 Project: Build a Python To-Do List Application!
12:14 Coding Challenge: Test Your File Handling Skills
12:46 Extend Your Knowledge: CSV & OS Module Tips
13:17 Next Steps for Future Coding Stars: Python Modules

🔥 Resources & Code:
Code snippets: https://drive.google.com/file/d/1yLbx...
Key Takeaways Summary: https://drive.google.com/file/d/1i2Mh...
Challenge/Exercise: https://drive.google.com/file/d/1nZf1...
Quiz: https://forms.gle/1PTGfMhS9Uy12PwC6

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