iii table of contents who is this book fori about this book ii installing python and pygame what you should know before you begin downloading and installing python windows instructions mac os instructions ubuntu and linux instructions starting python installing pygame how to use this book the featured programs downloading graphics and sound files line numbers and spaces text wrapping in this book checking your code online more info links on pygame basics gui vs cli source code for hello world with pygame setting up pygame program game loops and game states pygame event event objects the quit event and pygame quit(function pixel coordinates