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!

Also, although there is a ttk.py file in my python27\lib\lib-tk folder, there isn't a ttk.pyc file in there. I wonder if that's a symptom of the larger problem that's giving me the "cannot import ...

The newly approved Python Enhancement Proposal 751 gives Python a standard lock file format for specifying the dependencies of projects. Here’s the what, why, and when.

How to read CSV files in Python by importing modules To get started, we’re first going to create our CSV file.