Update README.md

README.md

@@ -21,16 +21,38 @@ GIT_LFS_SKIP_SMUDGE=1 git clone git@hf.co:datasets/MuGeminorum/svhn
 
 ## Usage
 ```python
-from datasets import load_dataset
+import os
+import zipfile
+import requests
 
-dataset = load_dataset("MuGeminorum/svhn")
 
-for item in dataset['train']:
-  print(item)
+def download_file(url, save_path):
+    response = requests.get(url, stream=True)
+    response.raise_for_status()
+    with open(save_path, 'wb') as file:
+        for chunk in response.iter_content(chunk_size=1024):
+            if chunk:
+                file.write(chunk)
+
+
+def unzip(zip_file_path, extract_to):
+    with zipfile.ZipFile(zip_file_path, 'r') as zip_ref:
+        for member in zip_ref.infolist():
+            zip_ref.extract(member, extract_to)
+
+
+if not os.path.exists('./data.zip'):
+    download_file(
+        'https://huggingface.co/datasets/MuGeminorum/svhn/resolve/main/data.zip',
+        'data.zip'
+    )
+
+if not os.path.exists('./data'):
+    unzip('data.zip', './')
 ```
 
 ## Mirror
 <https://www.modelscope.cn/datasets/MuGeminorum/svhn>
 
 ## Reference
-<a href="http://ufldl.stanford.edu/housenumbers">The Street View House Numbers (SVHN) Dataset</a>
+[1] <a href="http://ufldl.stanford.edu/housenumbers">The Street View House Numbers (SVHN) Dataset</a>