[1]
[2]
"""
Author: Tianze Tang
Date: 2017-07-17
Email:[email protected]
Function: Use two queue to realize stack's function.
Explain:
Modified Log:
"""
class MyStack(object):
def __init__(self):
"""
Initialize your data structure here.
"""
self.Queue= []
def push(self,x):
self.Queue.append(x)
def pop(self):
return(self.Queue.pop())
def empty(self):
return not self.Queue
def top(self):
return(self.Queue[-1])
a = MyStack()
a.push(1)
print(a.Queue)
a.push(2)
print(a.Queue)
print(a.top())
print(a.top())
[1]
[1, 2]
2
2
[1] 《算法导论》第3版 :第10章 基本数据结构 10.1栈和列队
[2] 225. Implement Stack using Queues