Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
Udacity - CS101 - In this course, you'll learn the fundamentals of the Python programming language, along with programming best practices.
Google's Python Class - Assorted educational materials provided by Google.
A Byte of Python - A Byte of Python is a Python programming tutorial and learning book that teaches you how to program with the Python programming language.
Real Python - Real Python is a Python tutorials and training videos website that provides an interactive platform for users to learn Python.
Think Python - Learning Resources