题解 | #简单密码#简单粗暴

while True:
    try:
        pw = input()
        res = ''
        for ch in pw:
            if ord('a') <= ord(ch) <= ord('c'):
                ch = '2'
            elif ord('d') <= ord(ch) <= ord('f'):
                ch = '3'
            elif ord('g') <= ord(ch) <= ord('i'):
                ch = '4'
            elif ord('j') <= ord(ch) <= ord('l'):
                ch = '5'
            elif ord('m') <= ord(ch) <= ord('o'):
                ch = '6'
            elif ord('p') <= ord(ch) <= ord('s'):
                ch = '7'
            elif ord('t') <= ord(ch) <= ord('v'):
                ch = '8'
            elif ord('w') <= ord(ch) <= ord('z'):
                ch = '9'
            elif ch == 'Z':
                ch = 'a'
            elif ord('A') <= ord(ch) <= ord('Y'):
                ch = chr(ord(ch.lower()) + 1)
            res += ch
        print(res)
    except:
        break

简单粗暴，就是一长串判断

似乎小写字母转换成数字的操作交给字典会更好