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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 get_args():
 """ Get and parse arguments. """

    import argparse
    parser = argparse.ArgumentParser(
        description="Swift Navigation SBP Example.")
    parser.add_argument(
        "-s",
        "--serial-port",
        default=[DEFAULT_SERIAL_PORT],
        nargs=1,
        help="specify the serial port to use.")
    parser.add_argument(
        "-b",
        "--baud",
        default=[DEFAULT_SERIAL_BAUD],
        nargs=1,
        help="specify the baud rate to use.")
    parser.add_argument(
        "-a",
        "--address",
        default=[DEFAULT_UDP_ADDRESS],
        nargs=1,
        help="specify the serial port to use.")
    parser.add_argument(
        "-p",
        "--udp-port",
        default=[DEFAULT_UDP_PORT],
        nargs=1,
        help="specify the baud rate to use.")
    return parser.parse_args()