Everything in Python is a module, and one module can import functions from another module. And modules that work with Python programs can be written in languages other than Python, such as C.

Once you know how to add and use a Python module, you will greatly extend the capabilities of the language. A Python module is an external class or set of functions that exist outside the main ...

Devs unknowingly use “malicious” modules snuck into official Python repository Code packages available in PyPI contained modified installation scripts.