Some Useful Sites for learning Python

I thought I would just post some links to sites that I have found useful so far. I will add to this list in the future:

http://www.makeuseof.com/tag/5-websites-learn-python-programming/

http://www.diveintopython.net/toc/index.html

http://www.java2s.com/Code/Python/CatalogPython.htm