CODE EXAMPLE FOR PYTHON

python override inherited method

import datetime

class Logger(object):
    def log(self, message):
        print message

class TimestampLogger(Logger):
    def log(self, message):
        message = "{ts} {msg}".format(ts=datetime.datetime.now().isoformat(),
                                      msg=message)
        super(TimestampLogger, self).log(message)