题解 | 字符串加密

import sys

key = input()
da = input()
s = ''
for c in key:
    if c not in s:
        s+=c

for i in range(26):
    alp = chr(ord('a')+i)
    if alp not in s:
        s+=alp
tab = {}
for i in range(26):
    alp = chr(ord('a')+i)
    tab[alp]=s[i]
res = ''
for c in da:
    res+=tab[c]


print(res)