code: def try_unlink(filename):
      """unlink a file.  Don't complain if it's not there"""
      try:
          os.unlink(filename)
      except OSError:
          pass
      return
  
imports: import array
  import math
  import os
  import random
label_desc: Use image node_id 6 for calling a global function with example usage: try_unlink(filename) without return types