题解 | #密码游戏#
密码游戏
https://www.nowcoder.com/practice/36641ab168664384aff798ba7ce34bc1
problem = input()
answer = []
for i in range(len(problem)):
x = (int(problem[i])+3)%9
answer.append(x)
answer[0], answer[2] = answer[2], answer[0]
answer[1], answer[3] = answer[3], answer[1]
for i in answer:
print(i, end='')
自己先前的解法过于复杂，在看到评论区的算法后果断删除改用此法（列表用的太妙了）
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