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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 transfer_project(self, to_project_id, **kwargs):
 """Transfer a project to this group. Args: to_project_id (int):
 ID of the project to transfer **kwargs: Extra options to send to the server (e.g. sudo) Raises: GitlabAuthenticationError: If authentication is not correct GitlabTransferProjectError: If the project could not be transfered """

        path = '/groups/%s/projects/%s' % (self.id, to_project_id)
        self.manager.gitlab.http_post(path, **kwargs)