Скачать или смотреть How Do Local And Global Variables Work In Python Functions? - Python Code School

How Do Local And Global Variables Work In Python Functions? Are you curious about how variables work inside and outside of Python functions? In this video, we'll explain everything you need to know about local and global variables in Python programming. We'll start by defining what local variables are and how they are created within functions, only existing during the function's execution. You'll learn why trying to access these variables outside their scope results in errors. Next, we'll discuss global variables, which are defined outside functions and accessible throughout your code. We'll also cover what happens when a variable inside a function shares the same name as a global variable, and how Python handles this situation through shadowing. Additionally, you'll discover the LEGB rule, which is Python's way of determining where to look for variables, following a specific search order. If you want to modify a global variable inside a function, we'll show you how to do it correctly using the global keyword, and explain what happens if you forget to include it. Finally, we'll discuss best practices for writing clean and predictable code by passing variables as parameters instead of relying heavily on global variables. Whether you're new to Python or looking to improve your understanding of variable scope, this video will help you write clearer and more reliable programs. Don't forget to subscribe for more Python tutorials and programming tips!

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About Us: Welcome to Python Code School! Our channel is dedicated to teaching you the essentials of Python programming. Whether you're just starting out or looking to refine your skills, we cover a range of topics including Python basics for beginners, data types, functions, loops, conditionals, and object-oriented programming. You'll also find tutorials on using Python for data analysis with libraries like Pandas and NumPy, scripting, web development, and automation projects.