how to pass global variable to function in python
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certainly! passing global variables to functions in python is a common task, and it involves understanding the scope of variables in python. let's walk through a tutorial with code examples to demonstrate how to pass global variables to functions.
in python, variables have different scopes, including global and local scopes. a global variable is one that is defined outside any function and is accessible throughout the entire program.
here, global_variable is a global variable that can be accessed from any part of the program.
let's create a simple function that takes a global variable as an argument and prints its value.
now, let's call the function and pass the global variable to it.
if you want to modify the global variable within a function, you need to use the global keyword to indicate that you are referring to the global variable, not creating a new local variable.
here's the complete example combining all the steps:
in this tutorial, we covered the basics of passing global variables to functions in python, printing their values, and modifying them inside a function. understanding variable scope is essential for writing clean and maintainable code in python.
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