Part four is coming soon!
And you can try the code samples online at Ideone. Paste the code in and click the dropdown at the bottom left of the text box. Select "Python 3". Click "Run".
Note that the samples provided often contain code not part of the main program that isn't commented out to demonstrate other ways of doing the same thing. Please remove those snippets if you want the code to run properly.
Any feedback would be apprreciated.