A Python module is an external class or set of functions that exist outside the main file of your program. This can be something that you built yourself, or it can be provided by the community.

The if __name__ == "__main__": statement checks if the script is being run as the main program. If it is, it calls the greet() function with the name "Alice". If this script were imported as a module ...

When you run the Python interpreter, the main environment context is stored in the __main__ module's namespace dictionary. All functions, classes and variables that are defined globally can be found ...

Learn which Python standard library modules are headed for the boneyard in Python 3.13, and how to replace them. Python’s been around in one form or another for over 30 years. Over that time ...