CODE EXAMPLE FOR PYTHON

Roman to integer with python

def romanToInt(self, s: str) -> int:
    roman = {"I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1000}
    result = 0

    for i in range(len(s)):
        if i + 1 < len(s) and roman[s[i]] < roman[s[i+1]]:
            result -= roman[s[i]]
        else: 
            result += roman[s[i]]
    return result