def create_parser(prog):
parser = argparse.ArgumentParser(prog=prog, formatter_class=DsubHelpFormatter)<EOL>parser.add_argument(<EOL>'<STR_LIT>',<EOL>default='<STR_LIT>',<EOL>choices=['<STR_LIT>', '<STR_LIT>', '<STR_LIT>', '<STR_LIT>'],<EOL>help="""<STR_LIT>""",<EOL>metavar='<STR_LIT>')<EOL>return parser<EOL>
Create an argument parser, adding in the list of providers.