摘要:
前言 上节大话python面向对象对面向对象有了一些了解,这次就不用大话风格了 (ps:真心不好扯啊) isinstance与issubclass isinstance(obj,cls)检查是否obj是否是类 cls 的对象 issubclass(sub, super)检查sub类是否是 super 阅读全文
摘要:
5. Longest Palindromic Substring Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. E 阅读全文