对于不定长度的密码
密码游戏
https://www.nowcoder.com/practice/36641ab168664384aff798ba7ce34bc1
def swap(x, y):
a[x], a[y] = a[y], a[x]
s = input()
a = []
for i in s:
a.append(int(i))
for i in range(len(s)):
a[i] = (a[i] + 3) % 9
swap(0, 2)
swap(1, 3)
for i in a:
print(i, end = '')
投递美团等公司8个岗位
