Al Sweigart is a software developer and tech book author from Texas now living in San Francisco. Python is his favorite programming language, and he is the developer of several open source modules for it. His most recent book, Automate the Boring Stuff with Python, can be found at http://automatetheboringstuff.com. This and his other books are freely available under a Creative Commons license on his website http://www.inventwithpython.com/. His cat weighs 14 pounds.