def register_group(self, name, policies=None, mount_point=DEFAULT_MOUNT_POINT):
        """Register a new group and maps a set of policies to it.

        Supported methods:
            POST: /auth/{mount_point}/groups/{name}. Produces: 204 (empty body)

        :param name: The name of the group.
        :type name: str | unicode
        :param policies: The list or comma-separated string of policies associated with the group.
        :type policies: list
        :param mount_point: The "path" the method/backend was mounted on.
        :type mount_point: str | unicode
        :return: The response of the request.
        :rtype: requests.Response
        """
        params = {
            'policies': policies,
        }
        api_path = '/v1/auth/{mount_point}/groups/{name}'.format(
            mount_point=mount_point,
            name=name,
        )
        return self._adapter.post(
            url=api_path,
            json=params,
        )
Register a new group and maps a set of policies to it.

        Supported methods:
            POST: /auth/{mount_point}/groups/{name}. Produces: 204 (empty body)

        :param name: The name of the group.
        :type name: str | unicode
        :param policies: The list or comma-separated string of policies associated with the group.
        :type policies: list
        :param mount_point: The "path" the method/backend was mounted on.
        :type mount_point: str | unicode
        :return: The response of the request.
        :rtype: requests.Response