题解 | #字符串加密#

input_string = input()
keyhole = input()
res =[]
dict = {}
alpha = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
key_word = []

for c in input_string:
    if not c in key_word:
        key_word.append(c.lower())

for a in alpha:
    if not a in key_word:
        key_word.append(a)

for i in range(26):
    dict[alpha[i]] = key_word[i]

for c in keyhole:
    for i in range(26):
        if c == alpha[i]:
            res.append(dict[alpha[i]])

print("".join(res))