题解 | 字符串加密

import sys
s = input()
t = input()
s1 = ''
alphabet = 'abcdefghijklmnopqrstuvwxyz'
for i in s:
    if i in s1:
        s1 += ''
    else:
        s1 += i
s2 = '' + s1
for i in alphabet:
    if i in s1:
        s2 += ''
    else:
        s2 += i
code = ''
for i in t:
    j = alphabet.find(i)
    code += s2[j]
print(code)