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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 add_option(self, parser):
 """ Add option group and all children options. """


        group = parser.add_argument_group(self.name)
        for stat in self.stats:
            stat.add_option(group)

        group.add_argument(
            "--{0}".format(self.option), action="store_true", help="All above")