Problem 771. Jewels and Stones on Leetcode

jewelsandstones.py

# Strings J = types of stones that are jewels
# String S = stones you have
# Input
# J = "aA", S = "aAAbbbb"
# Output
# 3
# create a dictionary where the key is the char and the value is the number of occurrences


def jewels(S, J):
    jewels = {x: 0 for x in J}
    for char in S:
        if char in jewels.keys():
            jewels[char] += 1

    return sum(jewels.values())

J = "aZAb"
S = "aAAizbbbbc"
jewels(S,J)