Simple Log File Handler in Python

import logging
import sys

def setup_custom_logger(name):
    formatter = logging.Formatter(fmt='%(asctime)s %(levelname)-8s %(message)s',
                                  datefmt='%Y-%m-%d %H:%M:%S')
    handler = logging.FileHandler('log.txt', mode='w')
    handler.setFormatter(formatter)
    screen_handler = logging.StreamHandler(stream=sys.stdout)
    screen_handler.setFormatter(formatter)
    logger = logging.getLogger(name)
    logger.setLevel(logging.DEBUG)
    logger.addHandler(handler)
    logger.addHandler(screen_handler)
    return logger

>>> logger = setup_custom_logger('myapp')
>>> logger.info('This is a message!')
2015-02-04 15:07:12 INFO     This is a message!
>>> logger.error('Here is another')
2015-02-04 15:07:30 ERROR    Here is another