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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 _set_setting(self, settings):
 """Validate the settings and then send the PATCH request."""

        for key, value in settings.items():
            _validate_setting(key, value)

        try:
            self._settings_request(method="patch", json_data=settings)

            self.update(settings_json=settings)
        except SkybellException as exc:
            _LOGGER.warning("Exception changing settings: %s", settings)
            _LOGGER.warning(exc)