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rom_val = {"I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1000} def roman_to_int(s): int_val = 0 for i in range(len(s)): if i > 0 and rom_val[s[i]] > rom_val[s[i - 1]]: int_val += rom_val[s[i]] - 2 * rom_val[s[i - 1]] else: int_val += rom_val[s[i]] return int_val print(roman_to_int("LVIII")) print(roman_to_int("IX"))
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