<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def send_message(self, message):
 """ send a message to each of the users """

        for handler in self.users:
            logging.info('Handler: ' + str(handler))
            handler.write_message(message)