The primary school math teacher once wanted me to draw some repetitive shape for the final test of the Logo course, but I had no earthly idea of what a loop was

The primary school math teacher once wanted me to draw some repetitive shape for the final test of the Logo course, but I had no earthly idea of what a loop was. That's the last time I programmed in Logo more than 25 years ago. I've been looking at this book a couple of months back to see how it's done.