Python Files Step by Step: Open, With, Txt, and JSON
Stop losing data after reboots! 💾 Today we'll learn how to work with files like the pros. We'll explore the with construct, learn how to append lines to logs, and save complex dictionaries in JSON format.
In this video:
✅ The with context manager: Why it's the best way to work with files.
✅ Access flags: The difference between r, w, and a.
✅ The problem of encodings: Why write utf-8 everywhere.
✅ The JSON module: How to save dictionaries and lists in one second.
✅ Hands-on: Creating a "save" system for your program.
Link to the previous lesson: • Python: Работа с датами и метод strftime з...
✍️ Cheat sheet for this lesson on the blog: pythonflashcards.blogspot.com
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