Learning Python 5th 原版PDF by Lutz

Pythonisapopularopensourceprogramminglanguageusedforbothstandaloneprogramsandscriptingapplicationsinawidevarietyofdomains.Itisfree,portable,powerful,andisbothrelativelyeasyandremarkablyfuntouse.ProgrammersfromeverycornerofthesoftwareindustryhavefoundPython’sfocusondeveloperproductiv