✏️ Use context manager

Author: veit

docs/data-processing/serialisation-formats/json/example.ipynb

@@ -33,11 +33,11 @@
     "import json\n",
     "\n",
     "\n",
-    "f = open(\"books.json\")\n",
-    "data = json.load(f)\n",
+    "with open(\"books.json\") as f:\n",
+    "    data = json.load(f)\n",
     "\n",
-    "for i in data:\n",
-    "    print(i)"
+    "    for i in data:\n",
+    "        print(i)"
    ]
   },
   {