Python2.x

wget http://www.python.org/ftp/python/2.x.x/Python-2.x.x.tgz
tar zxvf Python-2.x.x.tgz
cd Python-2.x.x
./configure --prefix=/usr/local/python2.x
make
make install

ln -s /usr/local/python/bin/python2.5 /usr/bin/
ln -s /usr/local/python/bin/* /usr/local/bin/
	

apt-get

sudo apt-get install python
sudo apt-get install python-setuptools