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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_group(self, group_name):
 """Delete a group via provisioning API. If you get back an error 999, then the provisioning API is not enabled. :param group_name: name of group to be deleted :returns: True if group deleted :raises: HTTPResponseError in case an HTTP error status was returned """

        res = self._make_ocs_request(
            'DELETE',
            self.OCS_SERVICE_CLOUD,
            'groups/' + group_name
        )

        # We get 200 when the group was just deleted.
        if res.status_code == 200:
            return True

        raise HTTPResponseError(res)