数据
fin_list
[[None, 9.1, 8.8, 8.7, 8.8, 9.1, 9.2, 9.2, 9.0, 9.6],
[None, 8.8, 8.5, 8.8, 8.8, 8.8, 9.1, 8.9, 8.8, 9.7],
[None, 8.8, 8.6, 8.9, 9.6, 9.0, 8.8, 8.7, 9.0, 9.9],
[None, 9.1, 9.7, 8.9, 8.8, 8.7, 9.7, 9.1, 9.7, 9.6],
[None, 8.5, 8.5, 8.5, 8.7, 8.6, 8.0, 9.0, 9.9, 9.5],
[None, 8.5, 9.4,