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

def config_logging(args):
    ''' Override root logger's level '''
    if args.quiet:
        logging.getLogger().setLevel(logging.CRITICAL)
    elif args.verbose:
        logging.getLogger().setLevel(logging.DEBUG)