{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os,re,json\n",
    "\n",
    "# 读取数据库并转成题目字典\n",
    "with open(r\"../题库0.3/Problems.json\",\"r\",encoding = \"utf8\") as f:\n",
    "    database = f.read()\n",
    "pro_dict = json.loads(database)\n",
    "\n",
    "#根据特征字符识别题目类型\n",
    "for p in pro_dict:\n",
    "    if pro_dict[p][\"genre\"] == \"\":\n",
    "        if \"bracket\" in pro_dict[p][\"content\"]:\n",
    "            pro_dict[p][\"genre\"] = \"选择题\"\n",
    "        elif \"blank\" in pro_dict[p][\"content\"]:\n",
    "            pro_dict[p][\"genre\"] = \"填空题\"\n",
    "        else:\n",
    "            pro_dict[p][\"genre\"] = \"解答题\"\n",
    "\n",
    "#将修改结果写入json数据库\n",
    "database = json.dumps(pro_dict,indent = 4, ensure_ascii= False)\n",
    "with open(r\"../题库0.3/Problems.json\",\"w\",encoding = \"utf8\") as f:\n",
    "    f.write(database)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "count = 0\n",
    "for id in pro_dict:\n",
    "    if pro_dict[id][\"genre\"] == \"\":\n",
    "        count += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "count"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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