Update README.md

README.md

@@ -33,16 +33,16 @@ size_categories:
 - 方法一：直接下载使用[zip压缩文件](https://github.com/FreedomIntelligence/CMB/tree/main/data)
 - 方法二：使用[Hugging Face datasets](https://huggingface.co/datasets/FreedomIntelligence/CMB)直接加载数据集 示例如下:
 
-  ```python
-  from datasets import load_dataset
-  
-  # main datasets （multiple choice）
-  main_datasets = load_dataset('FreedomIntelligence/CMB','main')
-  # exam paper datasets （multiple choice）
-  exam_datasets = load_dataset('FreedomIntelligence/CMB','exampaper')
-  # QA datasets
-  qa_datasets = load_dataset('FreedomIntelligence/CMB','qa')
-  ```
+```
+from datasets import load_dataset
+
+# main datasets （multiple choice）
+main_datasets = load_dataset('FreedomIntelligence/CMB','main')
+# exam paper datasets （multiple choice）
+exam_datasets = load_dataset('FreedomIntelligence/CMB','exampaper')
+# QA datasets
+qa_datasets = load_dataset('FreedomIntelligence/CMB','qa')
+```