wrap in code block

README.md

@@ -58,11 +58,14 @@ from datasets import load_dataset
 import json
 ds = load_dataset("davanstrien/test_dataset_cogapp")
 data = ds['train'][0]
-cog.out(json.dumps({k: str(v) for k,v in data.items()}, indent=2, ensure_ascii=False))
-]]] -->
+example = json.dumps({k: str(v) for k,v in data.items()}, indent=2) 
+cog.out(
+    "```\n{}\n```".format(example))
+)]]] -->
+```
 {
   "file": "pst_fenske_ver02_data_sn84026497_00280776129_1880042101_0834_002_6_96.jpg",
-  "image": "<PIL.JpegImagePlugin.JpegImageFile image mode=L size=388x395 at 0x11F715D90>",
+  "image": "<PIL.JpegImagePlugin.JpegImageFile image mode=L size=388x395 at 0x126315C50>",
   "label": "0",
   "pub_date": "1880-04-21 00:00:00",
   "page_seq_num": "834",
@@ -79,4 +82,5 @@ cog.out(json.dumps({k: str(v) for k,v in data.items()}, indent=2, ensure_ascii=F
   "url": "https://news-navigator.labs.loc.gov/data/pst_fenske_ver02/data/sn84026497/00280776129/1880042101/0834/002_6_96.jpg",
   "page_url": "https://chroniclingamerica.loc.gov/data/batches/pst_fenske_ver02/data/sn84026497/00280776129/1880042101/0834.jp2"
 }
+```
 <!-- [[[end]]] -->