Day 3 Puzzle 1.ipynb

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     "data": {
      "text/plain": [
       "156"
      ]
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    "def convert_input(filepath):\n",
    "    with open(filepath) as f:\n",
    "        lines = f.read().splitlines()    \n",
    "    inputAsArray = []\n",
    "    for line in lines:\n",
    "        inputAsArray.append(line)\n",
    "    return inputAsArray\n",
    "        \n",
    "def count_trees(filepath, x, y):\n",
    "    inputAsArray = convert_input(filepath)\n",
    "    treeCount = 0\n",
    "    startX = 0\n",
    "    startY = 0\n",
    "    while startY < len(inputAsArray):\n",
    "        currentRow = inputAsArray[startY]\n",
    "        currentPosition = currentRow[startX]\n",
    "        if currentPosition == '#':\n",
    "            treeCount+=1\n",
    "        startX+=x\n",
    "        width = len(inputAsArray[0])\n",
    "        if startX >= width:\n",
    "            startX-=width\n",
    "        startY+=y\n",
    "    return treeCount\n",
    "\n",
    "count_trees('Day3Input.txt', 3, 1)"
   ]
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "returns 156, which is the correct answer :)"
   ]
  }
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