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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 _validate_response(self, response, message, exclude_code=None):
 # pylint: disable=no-self-use """ validate an api server response :param dict response: server response to check :param str message: error message to raise :param int exclude_code: error codes to exclude from errorhandling :return: ":raises Exception: on error """

        if 'code' in response and response['code'] >= 2000:
            if exclude_code is not None and response['code'] == exclude_code:
                return

            raise Exception("{0}: {1} ({2})".format(
                message, response['msg'], response['code']))