Update README.md

README.md

@@ -68,6 +68,8 @@ You can load the dataset with the following lines of code.
 from datasets import load_dataset
 dataset = load_dataset("Dingdong-Inc/FreshRetailNet-50K")
 print(dataset)
+```
+```text
 DatasetDict({
     train: Dataset({
         features: ['city_id', 'store_id', 'management_group_id', 'first_category_id', 'second_category_id', 'third_category_id', 'product_id', 'dt', 'sale_amount', 'hours_sale', 'stock_hour6_22_cnt', 'hours_stock_status', 'discount', 'holiday_flag', 'activity_flag', 'precpt', 'avg_temperature', 'avg_humidity', 'avg_wind_level'],