<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _setup_log(self):
        '''
        Setup the log object.
        '''
        logging_level = CONFIG.LOGGING_LEVEL.get(self.log_level.lower())
        logging.basicConfig(format=self.log_format,
                            level=logging_level)