Update helper.py

helper.py

@@ -10,4 +10,6 @@ def get_questions():
     for index, row in df.iterrows():
         result.append([row["Level"], row["Question"], row["file_name"], row["Final answer"]])
 
-    return sorted(result, key = lambda x: x[0])
+    sorted_result = sorted(result, key = lambda x: x[0])
+    
+    return sorted_result