Setting up python to start learning

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http://askubuntu.com – So I am interested in learning to code in python. I started with html and css which requires no set up just using gedit to write my code and testing on chromium. I was recently told to learn to do more with html and css. I would need to get a setup for java and start learning some of that. However I am more interested in learning python. So far all I know Ubuntu 12.10 comes with a version of python. I need to know what would it take to get things set up to the point I can actually open python 3.3.0 on Ubuntu 12.10 and starting trying out commands? (HowTos)