题解 | #字符串加密#

import sys

key = sys.stdin.readline().strip()
s =  sys.stdin.readline().strip()
newList = []
for letter in key:
    if letter not in newList:
        newList.append(letter)

for i in range(26):
    for letter in newList:
        if chr(ord('a')+i) not in newList:
            newList.append(chr(ord('a')+i))
ans = ''
for letter in s:
    idx = ord(letter) - ord('a')
    ans += newList[idx]
print(ans)