For the operating system to understand that the file should be read as a Python program, the programmer needs to save the file as a Python file, with the ".py" extension.

This post will show you how to open CSV files in Python using the CSV module. You'll also learn another method + how to write CSV files!

If you've read a fair amount of Python code, then you've probably seen this "__init__.py" file pop up quite a few times. It's especially common in larger Python projects. I'm going to breakdown ...