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from argparse import ArgumentParser, RawDescriptionHelpFormatter p = ArgumentParser(description=__doc__, formatter_class=RawDescriptionHelpFormatter) p.aa = p.add_argument p.aa('--myswitch', help='help text', action='store_true')


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Math built-ins in 3.8 In addition to the famous walrus operator, Python 3.8 introduces useful new math features. Modular inverse The modular-power built-in pow(base, exp, mod) can now compute the modular inverse using exp=-1. This requires that base and mod are relatively prime integers. >>> pow(38, -1, 97) 23 >>> 23 * 38 % 97 == 1 True ...


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