此篇文章為我的解題紀錄，程式碼或許並不是很完善

Leetcode - 771. Jewels and Stones

解題思路

跑迴圈用jewels裡的每一個字元算他出現在stones裡面幾次

我滴程式碼

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class Solution:
    def numJewelsInStones(self, jewels: str, stones: str) -> int:
        count = 0
        for ch in jewels:
            count = count + stones.count(ch)
        return count