update code

utils/data_utils.py

@@ -0,0 +1,29 @@
+"""
+Data utility functions
+"""
+
+import json
+from pathlib import Path
+from typing import Dict, List, Any
+
+
+def load_json(file_path: str) -> Any:
+    """Load JSON file"""
+    with open(file_path, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+
+def save_json(data: Any, file_path: str, indent: int = 2) -> str:
+    """Save data to JSON file"""
+    file_path = Path(file_path)
+    file_path.parent.mkdir(parents=True, exist_ok=True)
+
+    with open(file_path, "w", encoding="utf-8") as f:
+        json.dump(data, f, ensure_ascii=False, indent=indent)
+
+    return str(file_path)
+
+
+def validate_data_format(data: Dict[str, Any], expected_keys: List[str]) -> bool:
+    """Validate data format"""
+    return all(key in data for key in expected_keys)