下面列出了在Python中的保留字。這些保留字不可以被用作常量或變量，或任何其它標識符。所有Python關鍵字隻包含小寫字母。
and, as, assert, break, class, continue, def, del, elif, else, except, finally, for, from, global, if, import, in, is, lambda, nonlocal, not, or, pass, raise, return, try, while, with, yield