Principal, CyberWeb ConsultingWESLEY CHUN specializes in Python software engineering and technical training (http://cyberwebconsulting.com). He has been programming, teaching, and writing since 1980, including more than a decade of Python. While at Yahoo!, he helped create Yahoo!Mail and Yahoo! People Search using Python. He is the author of "Core Python Programming" (http://corepython.com) and holds degrees in Computer Science, Mathematics, and Music from the University of California.