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wyc.py

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+import numpy as np
+
+image = np.array([
+    [100, 150, 200],
+    [80, 120, 180],
+    [60, 90, 140]
+], dtype=np.uint8)
+
+print("原图：")
+print(image)
+print("-" * 30)
+
+image_dark = np.clip(image - 20, 0, 255).astype(np.uint8)
+print("1. 变暗20后的图像：")
+print(image_dark)
+print("-" * 30)
+
+image_crop = image_dark[0:2, 0:2]
+print("2. 裁剪左上角2×2后的图像：")
+print(image_crop)
+print("-" * 30)
+
+image_flip = np.fliplr(image_crop)
+print("3. 水平翻转后的最终图像：")
+print(image_flip)
+
+import numpy as np
+
+img = np.array([
+    [255, 255, 0, 0],
+    [255, 255, 0, 0],
+    [0, 0, 255, 255],
+    [0, 0, 255, 255]
+], dtype=np.uint8)
+
+print("原始图像：")
+print(img)
+print("-" * 40)
+
+white_count = np.sum(img == 255)
+black_count = np.sum(img == 0)
+print(f"1. 白色像素(255)数量：{white_count}")
+print(f"   黑色像素(0)数量：{black_count}")
+print("-" * 40)
+
+img_flip = np.fliplr(img)
+print("2. 水平翻转后的图像：")
+print(img_flip)
+print("-" * 40)
+
+img_rot90 = np.flipud(img.T)
+print("3. 逆时针旋转90度后的图像：")
+print(img_rot90)