There are many, many good Python learner books.

But, this one seems to come up quite often ... Python Crash Course: A Hands-On, Project-Based Introduction to Programming

I have it and think it is pretty good.

I quite like this for a practical introduction as well ... Automate the Boring Stuff with Python This has a companion video series too.

Python Cookbook is a great option. Combine that with a few video tutorials on youtube, and you'll be good to go