如下3行Python代码，运行之后打印出来的结果是？（ ）
b = (6,9,2,7,5) b = sorted(b,reverse=1) print(b)
[2, 5, 6, 7, 9]
(2, 5, 6, 7, 9)
(9, 7, 6, 5, 2)
[9, 7, 6, 5, 2]
