leetcode-grind/problems/771/main.py

class Solution:
    def numJewelsInStones(self, J: str, S: str) -> int:
        total = 0
        for jewel in J:
            for stone in S:
                if stone == jewel:
                    total += 1
                    
        return total

s = Solution()
print("Expected: 3")
print("Got:", s.numJewelsInStones("abcD", "DaaFz"))