Working up the Python Challenges from level 0. Entry of the Python Challenge: http://www.pythonchallenge.com
Python Challenge is a fun game to play and learn some tricks about python. For each level of challenge, the player need to figure out what the challenge is, write a Python program to solve it, and paste the answer in the URL to move to the next level.
On my website, I give a detailed explanation for each python module: https://zhuojewel-li.squarespace.com navigate to Buffer 0 tab.