Run this command in your terminal. Enter your login password to authorize installation.
sudo apt-get install apache2 apache2-doc mysql-client mysql-server libapache2-mod-python libapache2-mod-python-doc
Then you can check the documentation in /usr/share/docs/apache2 and /usr/share/docs/apache2/libapache2-mod-python/
You can try to follow this tutorial to configure a bit more your system, but it's using PHP, not python.
http://www.howtoforge.com/ubuntu_lamp_for_newbies
Good luck,
Ludovic