python loggingログライブラリの簡単な使用

def getLog(name):
    logger=logging.getLogger(name)
    
    #    DEBUG、INFO、WARNING、ERROR、CRITICAL
    logger.setLevel(logging.DEBUG)
    
    rfh=RotatingFileHandler("log/log.txt",maxBytes=5000000,backupCount=5)
    formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
    rfh.setFormatter(formatter)
    logger.addHandler(rfh)
    
    return logger