fix return

app.py

@@ -211,9 +211,12 @@ def import_and_run_function(script_path, function_name="eval"):
         function_to_run = getattr(module, function_name)
         result = function_to_run()
         print(f"TYPE: {type(result), {type(result[0])}}")
-        return f"Function '{function_name}' executed successfully. Output: {result}"
+        
+        print(f"Function '{function_name}' executed successfully. Output: {result}")
+        return result
     else:
-        return f"Error: Function '{function_name}' not found in {script_path}"
+        print(f"Error: Function '{function_name}' not found in {script_path}")
+        return None