What is a global variable in Python?

Can you explain what a global variable is in Python?

Sure! A global variable in Python is a variable that is defined outside of any function and can be accessed throughout the entire program.

How do I create a global variable?

You can create a global variable by simply declaring it outside of any function, like this: my_var = 10.

Can I modify a global variable inside a function?

Yes, you can modify a global variable inside a function using the global keyword. For example: global my_var.

What are the advantages of using global variables?

Global variables can be useful for sharing data across multiple functions, but they can also lead to code that is harder to debug.