题解 | #字符串加密#

def encode(string, key):
    head = ""
    # 得到不重复的头字符串
    for c in key:
        if c not in head:
            head += c

    base_str = "abcdefghijklmnopqrstuvwxyz"
    encrypt_str = head

    # 得到加密字符串
    for c in base_str:
        if c not in encrypt_str:
            encrypt_str += c

    # 得到对应字典
    encode_dict = {}
    for i in range(26):
        encode_dict[base_str[i]] = encrypt_str[i]

    res = ""
    for c in string:
        res += encode_dict[c]

    return res        


while True:
    try:
        key = input()
        string = input()
        print(encode(string, key))
    except:
        break