# -*- coding:utf-8 -*-
class Stack():
#初始化栈，并给定栈的大小
def __init__(self,size):
self.stack=[]
self.size=size
self.top=-1
#判断栈是否满了，栈满返回True
def Full(self):
if self.top==(self.size-1):
return True
else:
return False
#判断栈是否为空，为空返回True
def Empty(self):
if self.top==-1:
return True
else:
return False
#入栈
def stackin(self,content):
if self.Full():
print 'The stack is full!'
else:
self.stack.append(content)
self.top+=1
#出栈
def stackout(self):
if self.Empty():
print 'The stack is empty!'
return None
else:
content=self.stack[self.top]
self.stack.pop(self.top)
self.top-=1
return content
#遍历栈
def stackall(self):
if self.Empty():
print 'The stack is Empty!'
else:
while self.top>=0:
print self.stack[self.top]
self.top-=1
