code: def counterpart_found(string, counterpart, options, rc_so_far):
      
      format = "%s" if options.no_newline else "%s\n"
      sys.stdout.write(format % (counterpart))
      return rc_so_far or 0
docs: The sunny-day action is to echo the counterpart to stdout.
  
      :param string: The lookup string  (UNUSED)
      :param counterpart: The counterpart that the string mapped to
      :param options: ArgumentParser or equivalent to provide options.no_newline
      :param rc_so_far: Stays whatever value it was.