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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 delete(self, msg, claim_id=None):
 """ Deletes the specified message from its queue. If the message has been claimed, the ID of that claim must be passed as the 'claim_id' parameter. """

        msg_id = utils.get_id(msg)
        if claim_id:
            uri = "/%s/%s?claim_id=%s" % (self.uri_base, msg_id, claim_id)
        else:
            uri = "/%s/%s" % (self.uri_base, msg_id)
        return self._delete(uri)