Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

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!

If for nothing else, you should use Pillow just to future-proof your code. As with most Python libraries, it can be installed with pip: External Resources The background image for our demonstration.