Python内置函数(62)——sum

英文文档: sum(iterable[, start]) Sums start and the items of an iterable from left to right and returns the total. start defaults to 0. The iterable‘s ite
posted @ 2016-11-17 08:59  十月狐狸  阅读(2395)  评论(0编辑  收藏  举报