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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_parser():
 """Get a parser object"""

    from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
    parser = ArgumentParser(description=__doc__,
                            formatter_class=ArgumentDefaultsHelpFormatter)
    parser.add_argument("-s1", dest="s1", help="sequence 1")
    parser.add_argument("-s2", dest="s2", help="sequence 2")
    return parser