摘要: 一. SET集合 set是一个无序且不重复的元素集 class set(object): """ set() -> new empty set object set(iterable) -> new set object Build an unordered collection of unique 阅读全文
posted @ 2016-08-11 14:48 J.M.Guo 阅读(187) 评论(0) 推荐(0)