Update mammography.py

mammography.py

@@ -65,8 +65,11 @@ urls_per_split = {
 }
 features_types_per_config = {
     "mammography": {
-        
-        "over_threshold": datasets.ClassLabel(num_classes=2, names=("no", "yes"))
+        "age": datasets.Value("int8"),
+        "lesion_shape": datasets.Value("string"),
+        "margin": datasets.Value("string"),
+        "density": datasets.Value("string"),
+        "is_severe": datasets.ClassLabel(num_classes=2, names=("no", "yes"))
     }
 }
 features_per_config = {k: datasets.Features(features_types_per_config[k]) for k in features_types_per_config}