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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_autoscaling(subparsers):
 """Auto Scaling Group Policy subcommands."""

    autoscaling_parser = subparsers.add_parser(
        'autoscaling',
        help=runner.create_scaling_policy.__doc__,
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    autoscaling_parser.set_defaults(func=runner.create_scaling_policy)