code: def watch(logger_name, level=DEBUG, out=stdout):
      
      watcher = Watcher(logger_name)
      watcher.watch(level, out)
      return watcher
docs: Quick wrapper for using the Watcher.
  
      :param logger_name: name of logger to watch
      :param level: minimum log level to show (default INFO)
      :param out: where to send output (default stdout)
      :return: Watcher instance