w3 Schools - Python - A great resource for learning and practicing the different parts of the python language. Use this when you aren't sure how to do something, or need to lookup syntax.
Python3 Duocumentation - Documentation for the python language from the people that created and maintain the maintain language.
[EDX.org - MIT Itroduction to Python Course] - Full MIT course on how to use python. Sign up to audit the course for free, or let Mike know if you want to do the paid version
Coursera Course - Python for Everybody - Much more user friendly introductory python course from U Michigan
Learn Python the Hard Way great book for studying how to do things in python.
Codecademy Python track Interactive course great for practicing python and learning the basics