CODE EXAMPLE FOR PYTHON

roman to integer python

def romanToInt(rm_letter):
    roman = {'I':1,'V':5,'X':10,'L':50,'C':100,'D':500,'M':1000,'IV':4,'IX':9,'XL':40,'XC':90,'CD':400,'CM':900}
    i = 0
    num = 0
    while i < len(rm_letter):
        if i+1<len(rm_letter) and rm_letter[i:i+2] in roman:
            num+=roman[rm_letter[i:i+2]]
            i+=2
        else:

            num+=roman[rm_letter[i]]
            i+=1
    return num

roman = input("Enter roman letter: ").upper()
roman=romanToInt(roman)
print(roman)