题解 | #字符串加密#

key = input()
str1 = input()
key = [i for i in key]  # 转为单个的字符列表
new_key = []
for i in key:  # 去重，保留第一次出现的字符
    if i not in new_key:
        new_key.append(i)
new_key = "".join(new_key)  # 去重后的key
zmb = "abcdefghijklmnopqrstuvwxyz"  # 定义字母表
zmb_t = new_key + zmb  # 组合newkey和字母表，再去重后即为新的字母表
new_zmb = []
for i in zmb_t:
    if i not in new_zmb:
        new_zmb.append(i)
d_zmb = "".join(new_zmb)
new_str1 = []
for i in str1:  # 加密，取原来字母表的索引，用新字母表的值
    for index, value in enumerate(zmb):
        if i in value:
            new_str1.append(new_zmb[index])
print("".join(new_str1))