总结：python读写文件

未完待续

0. 参考文章总结
   读取mat文件 : python中读取mat文件.

1. 测试

   path = 'gallery_market.mat'
   data = scio.loadmat(path)
   print(type(data))
   print(data.keys())
   
   
   dict_keys(['__header__', '__version__', '__globals__', 'gallery'])
   

   print('gallery')
   print(type(data['gallery']))
   
   gallery
   
   
   print(data['gallery'].shape)
   print(data.get('gallery')[0])
   
   (13115, 12)
   [2 2 2 2 2 1 1 1 2 1 2 2]