题解 | #密码游戏#
密码游戏
https://www.nowcoder.com/practice/36641ab168664384aff798ba7ce34bc1
a = input()
b = int(a) // 1000
c = (int(a) // 100) % 10
d = (int(a) // 10) % 10
e = int(a) % 10
if b == 0:
print("请输入四位数")
else:
b1 = (b + 3) % 9
c1 = (c + 3) % 9
d1 = (d + 3) % 9
e1 = (e + 3) % 9
print(d1, e1, b1, c1, sep="")
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