摘要: # coding=utf-8from sys import* class Stack: def __init__(self): self.items=[]; def top(self): return self.items[len(self.items)-1] def size(self): ret 阅读全文
posted @ 2018-04-10 21:11 阳光yoyo 阅读(225) 评论(0) 推荐(0) 编辑