Create utils/load_data.py

utils/load_data.py

@@ -0,0 +1,22 @@
+```
+import pandas as pd
+import logging
+
+logger = logging.getLogger(__name__)
+
+def load_logs(uploaded_files):
+    """Load and concatenate logs from uploaded CSV files."""
+    logger.info("Loading logs from uploaded files...")
+    try:
+        dfs = []
+        for file in uploaded_files:
+            df = pd.read_csv(file)
+            logger.info(f"Loaded {len(df)} records from {file.name}")
+            dfs.append(df)
+        combined_df = pd.concat(dfs, ignore_index=True)
+        logger.info(f"Combined {len(combined_df)} total records.")
+        return combined_df
+    except Exception as e:
+        logger.error(f"Failed to load logs: {e}")
+        raise
+```