题解 | #字符串加解密#

a = input()
b = input()
list1 = []
list2 = []
# 加密过程
for i in a:
    if i.isupper():
        if i == "Z":
            list1.append("a")
        else:
            list1.append(chr(ord(i.lower()) + 1))
    elif i.islower():
        if i == "z":
            list1.append("A")
        else:
            list1.append(chr(ord(i.upper()) + 1))
    elif i.isnumeric():
        if i == "9":
            list1.append("0")
        else:
            list1.append(str(int(i) + 1))
    else:
        list1.append(i)
print("".join(list1))
# 解密过程
for j in b:
    if j.isupper():
        if j == "A":
            list2.append("z")
        else:
            list2.append(chr(ord(j.lower()) - 1))
    elif j.islower():
        if j == "a":
            list2.append("Z")
        else:
            list2.append(chr(ord(j.upper()) - 1))

    elif j.isnumeric():
        if j == "0":
            list2.append("9")
        else:
            list2.append(str(int(j) - 1))
    else:
        list2.append(j)
print("".join(list2))