[LeetCode/Python] 258. Add Digits - A023

- 문제

 

- 코드

class Solution:
    def addDigits(self, num: int) -> int:
        l = list(map(int, str(num)))
        while(len(l) > 1):
            num = 0
            for i in l:
                num += i
            l = list(map(int, str(num)))
        return l[0]