Upload solution to 11 from school

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python/pythonchallenge.com/11 - 5808.py

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+from PIL import Image
+
+img = Image.open('cave.jpg')
+
+even = Image.new('RGB', (img.width // 2, img.height // 2))
+odd = Image.new('RGB', (img.width // 2, img.height // 2))
+
+for i in range(img.width):
+    for j in range(img.height):
+        p = img.getpixel((i, j))
+        if (i + j) % 2 == 1:
+            odd.putpixel((i // 2, j // 2), p)
+        else:
+            even.putpixel((i // 2, j // 2), p)
+
+even.save('even.jpg')
+odd.save('odd.jpg') # evil