#!/usr/bin/python
#coding=utf-8
class Queue(object) :
 def __init__(self, size) :
  self.size = size
  self.queue = []
 def __str__(self) :
  return str(self.queue)
 #获取队列的当前长度
 def getSize(self) :
  return len(self.quene)
 #入队，如果队列满了返回-1或抛出异常，否则将元素插入队列尾
 def enqueue(self, items) :
  if self.isfull() :
   return -1
   #raise Exception("Queue is full")
  self.queue.append(items)
 #出队，如果队列空了返回-1或抛出异常，否则返回队列头元素并将其从队列中移除
 def dequeue(self) :
  if self.isempty() :
   return -1
   #raise Exception("Queue is empty")
  firstElement = self.queue[0]
  self.queue.remove(firstElement)
  return firstElement
 #判断队列满
 def isfull(self) :
  if len(self.queue) == self.size :
   return True
  return False
 #判断队列空
 def isempty(self) :
  if len(self.queue) == 0 :
   return True
  return False

if __name__ == '__main__' :
 queueTest = Queue(10)
 for i in range(10) :
  queueTest.enqueue(i)
 print queueTest.isfull()
 print queueTest
 print queueTest.getSize()
 for i in range(5) :
  print queueTest.dequeue()
 print queueTest.isempty()
 print queueTest
 print queueTest.getSize()