Upgrade python to 2.7.x on Ubuntu 10.04 (pyton 3.2 also available)

$ python -V ##current version
python 2.6.5

$ curl -kL https://raw.github.com/utahta/pythonbrew/master/pythonbrew-install | bash

##must use this command to make install pythonbrew completely 

$ echo "source ~/.pythonbrew/etc/bashrc" >> ~/.bashrc 

##add pythonbrew to system path 

$ sudo echo export PATH=\"\$PATH:~/.pythonbrew/bin\" >> /etc/profile

##this command will take a long time depend on your computer becasue it will compile

##python to install. You can use "top" to check cpu rate. 

$ pythonbrew install 2.7.2 

##After installed, switch to python 2.7.2 

$ pythonbrew switch 2.7.2
switched to Python-2.7.2
$ python -V
python 2.7.2