A painting created with a 15 line Python program In 2022 while I was still teaching high school CS, I wrote a Python class called PaintBrush for my students to use. This took 20-30 minutes on a Sunday afternoon with my laptop and a cup of coffee. Today, that code could be written by Claude in 20-30 seconds. In 2022, my goal was to get students motivated with a lesson where their code could do something visual and fun. Today, this sort of lesson serves that same purpose and can help serve another: motivating students to write code by hand when an LLM could easily do it for them. Let’s get concrete and look at how the PaintBrush lesson worked.…