Скачать или смотреть Python Coding Day 21 | Mastering Python Scope: Local vs. Global Variables Explained

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Ever changed a variable inside a Python function only to find it didn't change outside? 🤯 You're not alone! In *Python Coding Day 21**, we crack the code on one of the most confusing concepts for beginners: **Python Variable Scope.*

*In this video, you will learn:*
*Global vs. Local Scope:* Understand the difference between the "Public Lobby" (Global) and "Private Offices" (Local functions).
*The Shadowing Effect:* What happens when a local variable has the same name as a global one?
*The `global` Keyword:* How to use the "Master Key" to modify global variables inside a function (essential for things like game scores!).
*Best Practices:* When to use local vs. global variables to keep your code bug-free.

We use a simple *Office Building Metaphor* to make these concepts stick forever. Whether you are a beginner or just need a refresher, this tutorial will help you write cleaner, more predictable Python code.

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*🕒 Timestamps:*
[[00:00](   • Python Coding Day 21 | Mastering Python Sc...  )] - The common Python variable headache
[[00:40](   • Python Coding Day 21 | Mastering Python Sc...  )] - What is Global Scope? (The Main Lobby)
[[01:34](   • Python Coding Day 21 | Mastering Python Sc...  )] - What is Local Scope? (The Private Office)
[[02:27](   • Python Coding Day 21 | Mastering Python Sc...  )] - Variable Shadowing Explained
[[03:30](   • Python Coding Day 21 | Mastering Python Sc...  )] - How to use the `global` Keyword
[[05:08](   • Python Coding Day 21 | Mastering Python Sc...  )] - 3 Rules for Mastering Python Scope

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