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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 arg(self):
 """ Repetition argument. """

        if self._arg == '-':
            return -1

        result = int(self._arg or 1)

        # Don't exceed a million.
        if int(result) >= 1000000:
            result = 1

        return result