摘要: 1.遍历lists = 'abcde'for i in [None] + range(-1,-len(s),-1):print s[:i] 阅读全文
posted @ 2015-07-19 15:45 knnotow 阅读(108) 评论(0) 推荐(0)
摘要: 1 --- 2 ** 3 2 3 ---True and True 4 True or False 5 not True 6 7 ---python is a smart language 8 5 / 2 == 5.0 / 2.0 //False 9 5 * 2 == 5.0 *... 阅读全文
posted @ 2015-07-19 10:13 knnotow 阅读(336) 评论(0) 推荐(0)