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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _url_for_queue(self, conn, name):
 """ Given a queue name, return the URL for it. :param conn: SQS API connection :type conn: :py:class:`botocore:SQS.Client` :param name: queue name, or None for all queues in config. :type name: str :return: queue URL :rtype: str """

        res = conn.get_queue_url(QueueName=name)
        return res['QueueUrl']