enhanced leaderboard

app.py

@@ -291,9 +291,9 @@ def display_leaderboard():
             
             # Transform the DataFrame to have 'user_name' and 'points' columns
             users_data = []
-            for column in df_users.columns:
-                points = df_users[column].iloc[0]  # Assuming the first (and only) row contains the points for each user
-                users_data.append({'User': column, 'Points': points})
+            for user, points_dict in df_users.items():
+                points = points_dict.get("0", 0)
+                users_data.append({'User': user, 'Points': points})
 
             df_leaderboard = pd.DataFrame(users_data)