摘要: 素数个数 guess数字 列表集合 阅读全文
posted @ 2016-02-27 20:17 Tom-Li 阅读(195) 评论(0) 推荐(0) 编辑
摘要: >>> a = "this is word!">>> print athis is word!>>> a.replace("this","that")'that is word!'>>> a=a.replace("this","that1")>>> print athat1 is word!>>> ... 阅读全文
posted @ 2015-12-10 20:33 Tom-Li 阅读(161) 评论(0) 推荐(0) 编辑