题解 | #简单密码#

"""把密码中出现的小写字母都变成九键键盘对应的数字，如：a 变成 2，x 变成 9.
而密码中出现的大写字母则变成小写之后往后移一位，如：X ，先变成小写，再往后移一位，变成了 y ，例外：Z 往后移是 a 。"""

s = input()
xin = []

for i in s:
    if i == "a" or i == "b" or i == "c":
        xin.append(2)
    elif i == "d" or i == "e" or i == "f":
        xin.append(3)
    elif i == "g" or i == "h" or i == "i":
        xin.append(4)
    elif i == "j" or i == "k" or i == "l":
        xin.append(5)
    elif i == "m" or i == "n" or i == "o":
        xin.append(6)
    elif i == "p" or i == "q" or i == "r" or i == "s":
        xin.append(7)
    elif i == "t" or i == "u" or i == "v":
        xin.append(8)
    elif i == "w" or i == "x" or i == "y" or i == "z":
        xin.append(9)
    elif i.isdigit():
        xin.append(i)
    elif i.isupper():
        char = i.lower()
        tt = chr((ord(char) - ord('a') + 1) % 26 + ord('a'))
        xin.append(tt)


xin2 = ''.join(str(x) for x in xin)

print(xin2)