Complete the (official) Python tutorial.
Review and execute the examples in the Getting Started with Python documentation for GAE.
Check out the TweetView tutorials if you’re interested in how to create rich Ajax clients.
Execute the sample code for the application (this involves establishing a Twitter account with followers).
Polish the application by defining some stylesheets for the templates.
Expand upon and streamline the login flow by using session cookies.
All sample code for this book is available online at GitHub and is conveniently organized by chapter. Although much of the code is included in the text of this book so that it’s as instructional as possible, always reference the latest bug-fixed code on GitHub as the definitive reference for sample code. Bug tickets and patches are welcome!