题解 | #密码游戏#
密码游戏
http://www.nowcoder.com/practice/36641ab168664384aff798ba7ce34bc1
num = input() l1 = list(num) for i in range(len(l1)): l1[i] = (int(l1[i]) +3) %9 m = l1[0] l1[0] = l1[2] l1[2] = m n = l1[1] l1[1] = l1[3] l1[3] = n l1 = [str(i) for i in l1] print(''.join(l1))