【python】利用两层神经网络（网络必须用类）来训练mnist数据（要求准确率90%以上）

[{"title":"（ 6 个子文件 13.63MB ） 【python】利用两层神经网络（网络必须用类）来训练mnist数据（要求准确率90%以上）","children":[{"title":"assignment","children":[{"title":"__pycache__","children":[{"title":"two_layer.cpython-36.pyc <span style='color:#111;'> 5.30KB </span>","children":null,"spread":false}],"spread":true},{"title":"mnist_test.csv <span style='color:#111;'> 17.44MB </span>","children":null,"spread":false},{"title":".ipynb_checkpoints","children":[{"title":"improve_acc-checkpoint.ipynb <span style='color:#111;'> 39.52KB </span>","children":null,"spread":false}],"spread":true},{"title":"mnist_train.csv <span style='color:#111;'> 104.50MB </span>","children":null,"spread":false},{"title":"two_layer.py <span style='color:#111;'> 6.80KB </span>","children":null,"spread":false},{"title":"improve_acc.ipynb <span style='color:#111;'> 39.52KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]