notes the official python web site (modules the python interpreter is itself useful referenceas the interactive command help(fooprovides documentation for any functionclassor module that foo identifies books providing an introduction to programming in python include titles authored by campbell et al [ ]cedar [ ]dawson [ ]goldwasser and letscher [ ]lutz [ ]perkovic [ ]and zelle [ more complete reference books on python include titles by beazley [ ]and summerfield [