leetcode 2520. Count the Digits That Divide a Number

https://leetcode.com/problems/count-the-digits-that-divide-a-number/description/

 

class Solution:
    def countDigits(self, num: int) -> int:
        str_num = str(num)
        answer = 0
        for i in str_num:
            if num % int(i) == 0:
                answer+=1
        return answer