<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def set_shutdown(self, default=False, disable=True):
 """Configures the mlag shutdown value Default setting for set_shutdown is disable=True, meaning 'no shutdown'. Setting both default and disable to False will effectively enable shutdown. Args: default (bool):
 Configures the shutdown using the default keyword disable (bool):
 Negates shutdown using the no keyword Returns: bool: Returns True if the commands complete successfully """

        return self._configure_mlag('shutdown', True, default, disable)