code: def _touch(fname, mode=0o666, dir_fd=None, **kwargs):
      
      flags = os.O_CREAT | os.O_APPEND
      with os.fdopen(os.open(fname, flags=flags, mode=mode, dir_fd=dir_fd)) as f:
          os.utime(
              f.fileno() if os.utime in os.supports_fd else fname,
              dir_fd=None if os.supports_fd else dir_fd,
              **kwargs,
          )
docs: Touch a file.
  
      Credits to <https://stackoverflow.com/a/1160227>.