The turtle can draw lines and curves as it walks around, creating geometric art. The next step is to add a loop to your code, letting you repeat the instructions as many times as you want. We'll be ...

The code below draws dots (filled circles). Make use of the draw_dot definition by drawing a dot stack of 4 dots of decreasing size. The code below uses list of positions and sizes. For overlapping ...

For loops are a bit of a nuisance in Python. My other, and bigger problems with Python is the horrible significance of using indentation to create loops, and that variables get added mysteriously ...