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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 remove_dnc(self, obj_id, channel):
 """ Removes Do Not Contact :param obj_id: int :param channel: str :return: dict|str """

        response = self._client.session.post(
            '{url}/{id}/dnc/remove/{channel}'.format(
                url=self.endpoint_url, id=obj_id, channel=channel
            )
        )
        return self.process_response(response)