Leetcode 771. Jewels and Stones (3) Jewels and Stones - LeetCode Jewels and Stones - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com Solution 1 리스트와 파이썬의 if x in y문법을 이용한 풀이. class Solution: def numJewelsInStones(self, jewels: str, stones: str) -> int: count = 0 J = ' '.join(jewels..