How to use Python to generate Grease Pencil objects

blender8r writes:

I've been experimenting with using grease pencils with Python to create generative art and other effects and I've made a series of video tutorials show how it's done.

Part 1: Grease Pencils & Python, The Basics

Part 2: Points, Lines, and Noise

Part 3: Circles

Part 4: Stars and Spirals