add old project

mnist/example.py

@@ -0,0 +1,27 @@
+from datasets import load_dataset
+import numpy as np
+import matplotlib.pyplot as plt
+
+def main():
+    dataset = load_dataset('parquet', data_files={
+        'train': r"D:\AiData\Dataset\mnist\mnist\train-00000-of-00001.parquet",
+        'test': r"D:\AiData\Dataset\mnist\mnist\test-00000-of-00001.parquet",
+    })
+    train_dataset = dataset['train']
+    first_sample = train_dataset[0]
+
+    print("Label:", first_sample['label'])
+
+    image = first_sample['image']
+    image_array = np.array(image)
+    print("Image shape:", image_array.shape)
+
+    plt.imshow(image_array, cmap='gray')
+    plt.show()
+
+    print("First few rows of pixel values:")
+    print(image_array[:5, :5])
+
+
+if __name__ == "__main__":
+    main()