摘要: import turtle class Stack: def __init__(self): self.items = [] def isEmpty(self): return len(self.items) == 0 def push(self, item): self.items.append( 阅读全文
posted @ 2019-03-27 23:23 辰光依旧 阅读(668) 评论(0) 推荐(0) 编辑