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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_conflicting_arguments(self):
 """It's too dangerous to use `-y` and `-r` together."""

        group = self._parser.add_mutually_exclusive_group()
        group.add_argument(
            '-y', '--yes', '--yeah',
            action='store_true',
            help='execute fixed command without confirmation')
        group.add_argument(
            '-r', '--repeat',
            action='store_true',
            help='repeat on failure')