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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 _config_logs(lvl=None, name=None):
 """ Set up or change logging configuration. _config_logs() => idempotent setup; _config_logs(L) => change log level """

    # print('_config_log', 'from %s' %name if name else '')
    FORMAT = '%(message)s'
    # maybe better for log files
    # FORMAT='[%(levelname)s]:%(message)s',

    # Reset handlers
    for h in list(logging.root.handlers):
        logging.root.removeHandler(h)

    global _log_level
    if lvl: _log_level = lvl

    logging.basicConfig(level=_log_level, format=FORMAT, stream=sys.stdout)
    _log = logging.getLogger(__name__)
    _log.setLevel(_log_level)

    # external
    for log in ['urllib3', 'asyncio']:
        logging.getLogger(log).setLevel(_log_level)