Python File Operations Tutorial | Read, Write, Append, Overwrite & Copy Files Explained 🐍
Python file handling is a must-have skill — and in this step-by-step tutorial, you’ll learn the core file operations you’ll use in real projects. We walk through how to open files, read content in different ways, write and overwrite files, append new data, and avoid common mistakes like forgetting new lines or leaving files open.
You’ll see file handling in action with text files, including .read(), .readline(), and .readlines(), plus how to print specific lines, loop through a file safely, and use seek() and tell() to control and understand cursor position. We also cover safer, cleaner code using with open() so files close automatically.
To round it out, we build and read a CSV using pure Python (no extra packages), append a new row, and finish by copying a file using a simple source-to-destination approach. If you’re a beginner learning Python or you want a clear refresher on file modes like r, w, a, and the + modes, this lesson will make it click.
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🔑 Keywords / Hashtags
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⏱️ Chapters
00:00 Intro
00:23 Basic of File Operations
01:17 Text File Operations in Action
17:10 Readline
22:38 Seek and Tell
27:54 Readlines
38:13 CSV File Operations in Action
47:15 Copy a File
50:00 Like and Subscribe
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