def intToRoman(self, num: int) -> str:
    romans = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I']
    values = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
    res = ''
    for i in range(len(romans)):
        while ((num - values[i]) >= 0):
            res += romans[i]
            num -= values[i]
    return res
def intToRoman(self, num: int) -> str:
    romans = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I']
    values = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
    res = 
    for i in range(len(romans)):
        while ((num - values[i]) >= 0):
            res += romans[i]
            num -= values[i]
    return res