As you seem to be new to programming, I suggest the following. They are the best from the learning experience I had.

http://learnpythonthehardway.org/ http://www.swaroopch.com/notes/Python http://diveintopython3.net/

Once you learn the basics of language try ProjectEuler and solve problems.

Once you solve some problems, create your own petproject or hack some of the opersource python applications.

We learn only by doing, so beware of spending too much time on reading. Instead read a little, and experiment a lot.