use ignite for exp2

exp2/modified/settings.py

@@ -0,0 +1,12 @@
+from pathlib import Path
+
+MNIST_DATASET_PATH: Path = Path(__file__).resolve().parent.parent / 'datasets' / 'mnist.npz'
+"""MNIST数据集文件的路径"""
+
+SAVED_MODEL_PATH: Path = Path(__file__).resolve().parent.parent / 'models' / 'cnn.pth'
+"""训练好的模型保存的位置"""
+
+N_EPOCH: int = 5
+"""训练时的epoch次数"""
+N_BATCH_SIZE: int = 1000
+"""训练时的batch size"""