The book is free online (and has a 2nd edition, while the videos cover the first edition): https://automatetheboringstuff.com/

The first 15 of the 50 videos of the course are on YouTube:
https://www.youtube.com/watch?v=1F_OgqRuSdI&list=PL0-84-yl1fUnRuXGFe_F7qSH1LEnn9LkW

But also I enabled preview mode on every video, so you can watch them on the course web page: https://www.udemy.com/course/automate/

You just don't get the forums without a udemy account. But here's a shared account your friend can use:
Username: jowmwcylajswjgqxka@awdrt.org
Password: DONOTCHANGETHIS123