If you are already a programmer and you are looking to learn Python (not how to program) I recommend 'Dive into Python 3' https://diveintopython3.problemsolvin

If you are already a programmer and you are looking to learn Python (not how to program) I recommend 'Dive into Python 3' https://diveintopython3.problemsolving.io/ https://diveintopython3.problemsolving.io/ It teaches the language and many of its subtleties. It is fairly good to learn Python and is free. It is not however, a book for beginners in programming, it is for programmers wanting to learn Python.