For Python you can just read the tutorial and skim standard library docs, they're pretty good. For Git: https://git-scm.com/book/en/v2 https://git-scm.com/book

For Python you can just read the tutorial and skim standard library docs, they're pretty good. For Git: https://git-scm.com/book/en/v2 https://git-scm.com/book/en/v2 - chapter 10 in particular covers internals.