update app.py

app.py

@@ -557,7 +557,11 @@ if file_upload is not None:
             except Exception as e:
                 st.error(f"Error parsing KML file: {str(e)}")
 
+    # Display uploaded data preview and map
     if not locations_df.empty:
+        st.write("Preview of Uploaded Data:")
+        st.dataframe(locations_df.head())
+
         if 'geometry' in locations_df.columns:
             if shape_type.lower() == "point":
                 locations_df['latitude'] = locations_df['geometry'].y