题解 | #简单密码#python3

fake = input()
true = list(fake)
for i in range(len(fake)):
    if  'a'<= fake[i] <='z':
        if fake[i] in 'abc':
            true[i] = '2'
        if fake[i] in 'def':
            true[i] = '3'
        if fake[i] in 'ghi':
            true[i] = '4'
        if fake[i] in 'jkl':
            true[i] = '5'
        if fake[i] in 'mno':
            true[i] = '6'
        if fake[i] in 'pqrs':
            true[i] = '7'
        if fake[i] in 'tuv':
            true[i] = '8'
        if fake[i] in 'wxyz':
            true[i] = '9'
    elif 'A'<= fake[i] <='Z':
        if fake[i] == 'Z':
            true[i] = 'a'
        else:
            true[i] = chr(ord(fake[i])+32+1)
    else:
        continue
print(''.join(true))