code: def unlink(filename):
      try:
          _unlink(filename)
      except (FileNotFoundError, NotADirectoryError):
          pass
  
imports: import collections.abc
  import contextlib
  import errno
  import os
  import re
  import stat
  import string
  import sys
  import time
  import unittest
  import warnings
  from test import support
label_desc: Use image node_id 11 for calling a global function with example usage: unlink(filename) without return types