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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_role(self, name, mount_point=DEFAULT_MOUNT_POINT):
 """Delete an existing role by the given name. If the role does not exist, a 404 is returned. Supported methods: DELETE: /{mount_point}/roles/{name}. Produces: 204 (empty body) :param name: the name of the role to delete. This is part of the request URL. :type name: str | unicode :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 """

        api_path = '/v1/{mount_point}/roles/{name}'.format(
            mount_point=mount_point,
            name=name,
        )
        return self._adapter.delete(
            url=api_path,
        )