The Hitchhiker's guide to Python - python-guild.org -- includes information on installing Python and setting up virtual environments an important way to keep your projects seperated
Automate the Boring Stuff with Python - automatetheboringstuff.com-- also check out some of the authors other books for project ideas to add to your Github Portfolio!
Dive Into Python 3 - diveintopython3.net -- includes some more advanced material for when you want to challange yourself (the Roman numeral converter is a brainbender)
Python for Everybody - py4e.com -- free course with autograding that provide extra practice
Practical Python - dabeaz.com -- Great course with examples projects that really helped me 'get' Python