#!/usr/bin/env python
# -*- coding: UTF-8 -*-
__author__ = 'Julio Tentor <jtentor@fi.unju.edu.ar>'


from _collections import deque
import random


print("Demo Queue - versión módulo deque")
queue1 = deque()
queue2 = deque()

number = 0
character = 'a'
print("Enqueuing...")
for c in range(10):
    number = random.randrange(-5000, 5001)
    queue1.append(number)
    character = chr(random.randrange(65, 90))
    queue2.append(character)
    print(number, character, end=" ")
print()

print("Dequeuing...")
while(len(queue1) > 0):
    print(queue1.popleft(), queue2.popleft(), end=" ")
print()