Update README.md

README.md

@@ -33,11 +33,21 @@ The dataset was collected through the PubMed API, based on the names of heart-re
 | title | string | The title of the paper. |
 | abst | string | The abstract of the paper.  |
 
-### Use
 
+## Dataset Structure
 
 ```python
+DatasetDict({
+    train: Dataset({
+        features: ['title', 'abst'],
+        num_rows: 2600900
+    })
+})
+```
+
+## Use
 
+```python
 from datasets import load_dataset
 
 dataset = load_dataset("InMedData/Cardio_v1")