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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def counterpart_found(string, counterpart, options, rc_so_far):
 """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. """

    format = "%s" if options.no_newline else "%s\n"
    sys.stdout.write(format % (counterpart))
    return rc_so_far or 0