{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "8"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import json\n",
    "\n",
    "pi12 = json.load(open('advent12.json'))\n",
    "len(pi12)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "def jsum(term):\n",
    "    if isinstance(term, dict):\n",
    "        return sum(jsum(k) + jsum(v) for k, v in term.items())\n",
    "    elif isinstance(term, list):\n",
    "        return sum(jsum(e) for e in term)\n",
    "    elif isinstance(term, int):\n",
    "        return term\n",
    "    elif isinstance(term, str):\n",
    "        return 0\n",
    "    else:\n",
    "        raise ArgumentError"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "jsum({})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "191164"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "jsum(pi12)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "def jsum2(term):\n",
    "    if isinstance(term, dict):\n",
    "        if 'red' in term or 'red' in term.values():\n",
    "            return 0\n",
    "        else:\n",
    "            return sum(jsum2(k) + jsum2(v) for k, v in term.items())\n",
    "    elif isinstance(term, list):\n",
    "        return sum(jsum2(e) for e in term)\n",
    "    elif isinstance(term, int):\n",
    "        return term\n",
    "    elif isinstance(term, str):\n",
    "        return 0\n",
    "    else:\n",
    "        raise ArgumentError"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "87842"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "jsum2(pi12)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
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  "kernelspec": {
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   "file_extension": ".py",
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   "pygments_lexer": "ipython3",
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