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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 enable_deploy_key(self, project, key_id):
 """ Enables a deploy key for a project. :param project: The ID or URL-encoded path of the project owned by the authenticated user :param key_id: The ID of the deploy key :return: A dictionary containing deploy key details :raise: HttpError: If invalid response returned """

        url = '/projects/{project}/deploy_keys/{key_id}/enable'.format(
            project=project, key_id=key_id)
        return self.post(url, default_response={})