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\m/…(>.<)…\m/ solution in Clear category for Reverse Roman Numerals by vmiimu
m = {'M': 1000, 'D': 500, 'C': 100, 'L': 50, 'X': 10, 'V': 5, 'I': 1}
reverse_roman = lambda r: sum([m[i] if m[i] >= m[j] else -m[i] for i,j in zip(r,r[1:])]+[m[r[-1]]])
Jan. 10, 2019
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