Untitled.ipynb

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     "data": {
      "text/plain": [
       "'black'"
      ]
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     "execution_count": 6,
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   "source": [
    "def getChessSquareColor(square):\n",
    "    column = square[0]\n",
    "    row = int(square[1])\n",
    "    # pre-condition: column and row are in bounds:\n",
    "    from string import ascii_lowercase\n",
    "    assert column in ascii_lowercase and (1 <= row <= 8), \"Wrong square id!\"\n",
    "    # If even/oddness of column and row match, return 'black', else 'white'\n",
    "    if ord(column) % 2 == row % 2:\n",
    "        return 'black'\n",
    "    else:\n",
    "        return 'white'\n",
    "\n",
    "getChessSquareColor('c5')"
   ]
  }
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