[LeetCode][Python3] 13. Roman to Integer

Problem :

https://leetcode.com/problems/roman-to-integer/description/

My Solution :

class Solution:

def romanToInt(self, s):

"""

:type s: str

:rtype: int

"""

result = 0

roman_int = dict(I=1, V=5, X=10, L=50, C=100, D=500, M=1000)

for i in range(1, len(s)):

if roman_int[s[i-1]] < roman_int[s[i]]:

result -= roman_int[s[i-1]]

else:

result += roman_int[s[i-1]]

result += roman_int[s[-1]]

return result

Comment :

좋은 아이디어가 떠오르지 않아 Discuss를 참조하였다 ㅠㅠ