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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 dissociate_from_notification_channel(self, id, channel_id):
 """ This API endpoint allows you to dissociate an alert policy from an notification channel :type id: integer :param id: The id of the policy :type channel_id: integer :param channel_id: The id of the notification channel :rtype: dict :return: The JSON response of the API :: { "channel":{ "configuration": "hash", "type": "string", "id": "integer", "links":{ "policy_ids": "list" }, "name": "string" } } """


        return self._delete(
            url='{0}alerts_policy_channels.json?policy_id={1}&channel_id={2}'.format(
                self.URL,
                id,
                channel_id
            ),
            headers=self.headers
        )