摘要: s = "abcdbabc" def max_str(s): max_str = '' str_li = '' for i in s: if i not in str_li: str_li+=i else: str_li = str_li[str_li.index(i)+1:] ... 阅读全文
posted @ 2018-11-23 17:06 王二黑 阅读(258) 评论(0) 推荐(0) 编辑