Let's talk a little bit about how Python code is organized. In this paragraph, we'll start going down the rabbit hole a little bit more and introduce a bit more technical names and concepts.
Starting with the basics, how is Python code organized? Of course, you write your code into files. When you save a file with the extension
.py, that file is said to be a Python module.
If you're on Windows or Mac, which typically hide file extensions to the user, please make sure you change the configuration so that you can see the complete name of the files. This is not strictly a requirement, but a hearty suggestion.
It would be impractical to save all the code that it is required for software to work within one single file. ...