This post explains what a Python module is and how to use it to drastically extend the capabiltiies of your code. Plus: how to make your own!

For apps with a module entry point, make a stub: Some applications use a module as an entry point, for instance by having a __main__.py file that’s invoked when the module is imported.

Part of the os module involves a function to create folders on the system. By importing the os module into a Python program, programmers can then call the Python mkdir function to create folders ...