#
#  queue.py, a simple queue class
#
#
class Queue:
    """ Provides a rudimentary queue class. """

    def __init__(self, initial_contents=[]):
	self.queue = initial_contents[:]

    def is_empty(self):
	return self.queue == []

    def add(self, item):
	self.queue.append(item)

    def remove(self):
	return self.queue.pop(0)

    def __str__(self):
        return "The queue contains: " + str(self.queue)