, python .py.

.
JSON, , input ('\n'):
{
"cell_type": "code",
"collapsed": false,
"input": "from PIL import Image\nimport numpy as np\"\n\ncol = Image.open(\"cat-tied-icon.png\")\ngry = col.convert('L')\ngrarray = np.asarray(gry).copy()\ngrarray[grarray < 128] = 0 # Black\ngrarray[grarray >= 128] = 255 # White\n\nbw = grarray\nimfile = Image.fromarray(bw)\nimfile.save(\"result_bw.png\")",
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 17
},
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