WESLEY J. CHUN, MSCS, is the author of Prentice Hall's bestselling "Core Python" book series, the "Python Fundamentals" companion video lectures, co-author of "Python Web Development with Django," and has written technical articles for Linux Journal, CNET, and InformIT. In addition to being a software architect and Developer Advocate at Google, he runs CyberWeb, a consulting business specializing in Python training and engineering. While at Yahoo!, Wesley helped create Yahoo!Mail and Yahoo! People Search using Python. He has over 25 years of programming, teaching, and writing experience, and holds degrees in Computer Science, Mathematics, and Music from the University of California.