multiple outputs

import osimport sysimport logginglogger = logging.getLogger(__name__)formatter = logging.Formatter('%(asctime)s %(levelname)s [%(name)s] %(message)s')logger.setLevel(logging.DEBUG)    stderr_handler = logging.StreamHandler(sys.stderr)stderr_handler.setFormatter(formatter)logger.addHandler(stderr_handler)    logfile = os.path.join("test.log")file_handler = logging.FileHandler(logfile)file_handler.setFormatter(formatter)logger.addHandler(file_handler)logger.info('xxxx')logger.error('yyyy')