Mange Different Version of Python

Pythonbrew is a great tool to manage different versions of Python on the same platform.

For complete reference, please referes to this:
http://www.howopensource.com/2011/05/how-to-install-and-manage-different-versions-of-python-in-linux/

# install easy_install and other setup tools
sudo apt-get install python-setuptools

sudo easy_install pythonbrew
pythonbrew_install
sudo apt-get install curl
echo >>~/.bashrc "source /home/jwxie518/.pythonbrew/etc/bashrc"
pythonbrew install 2.7.1