spec ^ lit <= broken clear solution for Seven Segment by veky - python coding challenges

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spec ^ lit <= broken solution in Clear category for Seven Segment by veky

offs = 'g afged fc fe aed be b fged  e'.split(' ')
specs = {frozenset().union(*offs).difference(off) for off in offs}
def seven_segment(*sss):
    def ndigits(case):
        lit, broken = ({s.casefold() for s in ss if case(s)} for ss in sss)
        return sum(spec ^ lit <= broken for spec in specs)
    return ndigits(str.isupper) * ndigits(str.islower)

Aug. 4, 2019

Different kind of sets

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