题解 | #字符串加密#
字符串加密
https://www.nowcoder.com/practice/e4af1fe682b54459b2a211df91a91cf3
key = input() s = input() lst1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" lst2 = "abcdefghijklmnopqrstuvwxyz" code = "" for i in key: if (i in lst1 or i in lst2) and i not in code: code += i for i in lst1: if i not in code and i.lower() not in code: code += i decode = "" for i in s: if i in lst1: decode += code[lst1.index(i)] elif i in lst2: decode += code[lst2.index(i)].lower() print(decode)