fix file formatting

Author: afeld

lecture_3_exercise_solution.ipynb

@@ -429,7 +429,9 @@
     "import pandas as pd\n",
     "\n",
     "# load all records and force a consistent ordering\n",
-    "parks = pd.read_csv(\"https://data.cityofnewyork.us/resource/enfh-gkve.csv?$limit=3000&$order=globalid\")\n",
+    "parks = pd.read_csv(\n",
+    "    \"https://data.cityofnewyork.us/resource/enfh-gkve.csv?$limit=3000&$order=globalid\"\n",
+    ")\n",
     "parks"
    ]
   },