13. 罗马数字转整数 not AC（待解决）

class Solution:
    def romanToInt(self, s: str) -> int:
        '''
        哈希表：字典映射秒杀
        '''
        dic = {
            'I':1,
            'V':5,
            'X':10,
            'L':50,
            'C':100,
            'D':500,
            'M':1000,
        }
        return sum([dic[i] for i in s])