题解 | 字符串加解密

s = input()  # 要加密的字符串
t = input()  # 要解密的字符串

s_after = []
t_after = []

for char in s:
    if char.isdigit():
        # print(char,str((int(char)+1)%10))
        s_after.append(str((int(char)+1)%10))
    elif char.islower():
        if char=='z':
            s_after.append('A')
        else:
            # print(char,chr(ord(char)+1-32))
            s_after.append(chr(ord(char)+1-32))
    elif char.isupper():
        if char=='Z':
            s_after.append('a')
        else:
            # print(char,chr(ord(char)+1+32))
            s_after.append(chr(ord(char)+1+32))

print(''.join(s_after))

for char in t:
    if char=='0':
        t_after.append('9')
    elif char.isdigit() and char!='0':
        # print(char,str((int(char)-1)))
        t_after.append(str(int(char)-1))
    elif char.isupper():
        if char=='A':
            t_after.append('z')
        else:
            # print(char,chr(ord(char)-1+32))
            t_after.append(chr(ord(char)-1+32))
    elif char.islower():
        if char=='a':
            t_after.append('Z')
        else:
            # print(char,chr(ord(char)-1-32))
            t_after.append(chr(ord(char)-1-32))

print(''.join(t_after))