题解 | #密码游戏#
密码游戏
https://www.nowcoder.com/practice/36641ab168664384aff798ba7ce34bc1
str = input()
digits = [(int(char) + 3) % 9 for char in str]
digits[0], digits[1], digits[2], digits[3] = digits[2], digits[3], digits[0], digits[1]
for digit in digits:
print(digit, end="")
print("\n")
