+ "import pandas as pd\n",
+ "\n",
+ "data_frames = []\n",
+ "for file in data_files:\n",
+ "\n",
+ "\tf = open(file, encoding='utf-8')\n",
+ "\tdf_temp = pd.read_json(f)\n",
+ "\tdata_frames.append(df_temp)\n",
+ "\n",
+ "df = pd.concat(data_frames, ignore_index=True)"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "import numpy as np\n",
+ "df['count'] = np.zeros(len(df))\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "#### Pie Chart"