One of the first books I always suggest is Automate the Boring Stuff. I believe you can find that online free here: https://automatetheboringstuff.com/
Here are a few other Python resources:
realpython.com
https://docs.python.org/3/tutorial/
Outside of the material you can read, I always suggest doing exercise and solving small problems with python/Javascript to keep your brain sharp.
Here are a few Python exercises: https://www.hackinscience.org/exercises/
More exercises: https://www.practicepython.org/
and more exercises: https://py.checkio.org/
Here are a few other Python resources:
Python Tricks: The Book – Real Python
A Buffet of Awesome Python Features: Discover Python’s Best Practices with Simple Examples and Start Writing Beautiful & Pythonic Codehttps://docs.python.org/3/tutorial/
Outside of the material you can read, I always suggest doing exercise and solving small problems with python/Javascript to keep your brain sharp.
Here are a few Python exercises: https://www.hackinscience.org/exercises/
More exercises: https://www.practicepython.org/
and more exercises: https://py.checkio.org/