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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 attach_parser(subparser):
 """Given a subparser, build and return the server parser."""

    return subparser.add_parser(
        'server',
        help='Run a bottle based server',
        parents=[
            CONFIG.build_parser(
                add_help=False,
                # might need conflict_handler
            ),
        ],
    )