题解 | 字符串加解密

s = input()

t = input()

newdecode_password = []
newencode_password = []
for char in s:

    if char.isalpha():
        if char == "z":
            newencode_password.append("A")
        elif char == "Z":
            newencode_password.append("a")
        elif char.isupper():
            newencode_password.append(chr(ord(char.lower()) + 1))
        elif char.islower():
            newencode_password.append(chr(ord(char.upper()) + 1))
    if char.isdigit():
        if char == "9":
            newencode_password.append("0")
        else:
            newencode_password.append(str(int(char) + 1))
for char in t:

    if char.isalpha():
        if char == "a":
            newdecode_password.append("Z")
        elif char == "A":
            newdecode_password.append("z")
        elif char.isupper():
            newdecode_password.append(chr(ord(char.lower()) - 1))
        elif char.islower():
            newdecode_password.append(chr(ord(char.upper()) - 1))
    if char.isdigit():
        if char == "0":
            newdecode_password.append("9")
        else:
            newdecode_password.append(str(int(char) - 1))

print("".join(newencode_password))

print("".join(newdecode_password))