code: def clean_model_files(files, model_name):
      files.append(model_name + "-inference")
      files.append(model_name + "-data")
  
      for file in files:
          if os.path.isfile(file):
              os.remove(file)
  
imports: import boto3
  import mxnet
  import os
  import numpy
  import logging
  from mxnet import gluon
  from mxnet.gluon import nn
  import re
  from mxnet.test_utils import assert_almost_equal
label_desc: Use image node_id 6 for calling a global function with example usage: clean_model_files(files, model_name) without return types