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" \"The eight neighbors (with diagonals).\"\n",
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" \"The eight neighbors (with diagonals).\"\n",
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" x, y = point \n",
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" x, y = point \n",
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" return ((x+1, y), (x-1, y), (x, y+1), (x, y-1),\n",
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" return ((x+1, y), (x-1, y), (x, y+1), (x, y-1),\n",
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" (X+1, y+1), (x-1, y-1), (x+1, y-1), (x-1, y+1))\n",
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" (x+1, y+1), (x-1, y-1), (x+1, y-1), (x-1, y+1))\n",
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"\n",
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"\n",
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"def cityblock_distance(p, q=(0, 0)): \n",
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"def cityblock_distance(p, q=(0, 0)): \n",
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" \"City block distance between two points.\"\n",
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" \"City block distance between two points.\"\n",
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