Python queue implementation

queue.py

#!/usr/bin/env python

class Queue(object):
  def __init__(self):
    self.arr = []
    
  def enqueue(self, val):
    self.arr.insert(0, val)
    
  def dequeue(self):
    return self.arr.pop()
    
  def __iter__(self):
    return self
  
  def next(self):
    try:
      return self.dequeue();
    except IndexError:
      raise StopIteration()
    
if __name__ == '__main__':
  q = Queue()
  for i in range(1, 11):
    q.enqueue(i)
  
  for e in q:
    print 'Queued element: %d' % e