# # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param jewels string字符串 # @param stones string字符串 # @return int整型 # class Solution: def numJewelsInStones(self , jewels: str, stones: str) -> int: # write code here return sum([stones.count(i) for i in jewels if i in stones])