code: def get_filename_with_prefix(self, prefix, actor_id=None, frame=None):
      add_id = "" if actor_id is None else "_" + actor_id
      add_frame = "" if frame is None else ("_%04d") % frame
      return prefix + add_id + add_frame + ".out"
  
imports: from .None import SmokeTest
  import carla
  import time
  import numpy
  import filecmp
  import shutil
  import os
label_desc: Use image node_id 11 for calling the Scenario obj's underlying member method code with example usage: obj.get_filename_with_prefix(prefix, actor_id, frame) and returns: unknown