题解 | #字符串加密#

import sys

inp = sys.stdin.readlines()
key = inp[0].strip()
s = inp[1].strip()

new_key = ''
se = set()
for c in key:
    if c not in se:
        new_key += c
        se.add(c)

for c in 'abcdefghijklmnopqrstuvwxyz':
    if c not in new_key:
        new_key += c

res = ''
for c in s:
    index = ord(c)-ord('a')
    res += new_key[index]
print(res)