If you buy and read that book you will be great at Python.
Besides that you should peruse the standard library just to get an idea of what Python can do out of the box: https://docs.python.org/2/library/
I might suggest toying around with my own threadparser library, which converts OKP posts to JSON for further processing. It's a single Python file, and pretty fun to play around with. If you need help getting it running let me know. https://github.com/djtriptych/okp-threadparser/blob/master/threadparser.py