Python 3.3.5 was released last month, addressing several key issues compared to earlier Python versions. For detailed release information on this version, check thechangelog.
To install, a PPA is available (supports all Ubuntu versions and derivatives). Open a terminal and enter the commands:
sudo add-apt-repository ppa:fkrull/deadsnakes
sudo apt-get update
sudo apt-get install python3.3
Set Python 3.3 as the default command:
rm /usr/local/bin/python
ln -s /usr/local/bin/python3.3 /usr/local/bin/python
Command to uninstall Python 3.3:
sudo apt-get remove python3.3
This article is released under a CC license. Reposting must credit: Translated from IMCN