在学习python的过程中，用来练习代码，并且复习数据结构的
#coding:utf-8
#author:elvis
class stack(object):
def __init__(self, size=8):
self.stack = []
self.size = size
self.top = -1
def is_empty(self):
if self.top == -1:
return true
else:
return false
def is_full(self):
if self.top +1 == self.size:
return true
else:
return false
def push(self, data):
if self.is_full():
raise exception(‘stackoverflow’)
else:
self.top += 1
self.stack.append(data)
def stack_pop(self):
if self.is_empty():
raise exception(‘stackisempty’)
else:
self.top -= 1
return self.stack.pop()
def stack_top(self):
if self.is_empty():
raise exception(‘stackisempty’)
else:
return self.stack[self.top]
def show(self):
print self.stack
stack = stack()
stack.push(1)
stack.push(2)
stack.push(‘a’)
stack.push(‘b’)
stack.push(5)
stack.push(6)
stack.stack_pop()
stack.stack_pop()
stack.stack_top()
stack.is_empty()
stack.is_full()
stack.show()
以上所述就是本文给大家分享的全部内容了，希望大家能够喜欢。