In work I wanted python2.7 for using some latest modules. I run Debian 6.0 ie., squeeze in my laptop, but python2.7 is available in Wheezy or Debian testing. In order to install python2.7 from the testing repository add the following in your sources.list file ie., /etc/apt/sources.list deb http://mirror.cse.iitk.ac.in/debian/ testing main contrib After adding the testing repository, do an update a