With quest 1 I was still learning the language. After looking at other solutions, I did my own versions with more heads. Part 1:

This is a lot more elegant, and it uses fewer steps. Part 2 has the same nice look:

For part 3 I had to be a little more creative. 10 heads couldn’t quite write 12 P’s, just like that. So I added a little bit, where the last 2 P’s were added after the first 10.

All my code .