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__": construct is one of these.. What does Python's 'if name equals main' construct do?. Python's if __name__ == "__main__": construct enables a single Python file to not ...

Python’s development team chose defaults that reflect the most common real-world scenarios. But if you do need to tweak the way garbage collection works, you can use Python’s gc module .

More deprecated Python modules. These modules are far less likely to be in use in any programs you’re writing or maintaining, but it’s worth knowing they have been deprecated.