好吧，你可以这样做：
>>> if all (k in foo for k in ("foo","bar")):... print "They're there!"...They're there!
好吧，你可以这样做：
>>> if all (k in foo for k in ("foo","bar")):... print "They're there!"...They're there!名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
