I'm not gonna argue that repeating something is going to aid memorization, but in my experience, the best way to learn a programming language is to read a book

I'm not gonna argue that repeating something is going to aid memorization, but in my experience, the best way to learn a programming language is to read a book and then actually use it. If you forget things you can always look them up, but re-reading the book 2 more times is useless.