Python syntax and semantics (Wikipedia)
Python Programming Language (home)
The Hitchhiker’s Guide to Python!
Python Design Patterns: For Sleek And Fashionable Code
Python 3 Patterns, Recipes and Idioms
Learn Python with Socratica (YouTube)
How to Think Like a Computer Scientist: Learning with Python 3
Python for Fun
This is a collection of fairly small Python programs.
They are aimed at intermediate programmers; people who
have studied Python and are fairly comfortable with basic
recursion and object oriented techniques.
Most programs are very short, not more than a couple of
pages and all projects are accompanied with a write-up.
Algorithms + Data Structures = Programs (Wikipedia)