题解 | 字符串加解密

import sys

pw1 = []
dc1 = sys.stdin.readline().strip()
pw2 = sys.stdin.readline().strip()
dc2 = []
for i in dc1:
    if i.isupper():
        if i == "Z":
            new_i = "a"
            pw1.append(new_i)
        else:
            new_i = chr(ord(i) + 33)
            pw1.append(new_i)
    elif i.islower():
        if i == "z":
            new_i = "A"
            pw1.append(new_i)
        else:
            new_i = chr(ord(i) - 31)
            pw1.append(new_i)
    elif i.isdigit():
        if i == "9":
            new_i = "0"
            pw1.append(new_i)
        else:
            new_i = chr(ord(i) + 1)
            pw1.append(new_i)
print("".join(pw1))

for i in pw2:
    if i.isupper():
        if i == "A":
            new_i = "z"
            dc2.append(new_i)
        else:
            new_i = chr(ord(i) + 31)
            dc2.append(new_i)
    elif i.islower():
        if i == "a":
            new_i = "Z"
            dc2.append(new_i)
        else:
            new_i = chr(ord(i) - 33)
            dc2.append(new_i)
    elif i.isdigit():
        if i == "0":
            new_i = "9"
            dc2.append(new_i)
        else:
            new_i = chr(ord(i) - 1)
            dc2.append(new_i)
print("".join(dc2))