code: def _create(self, flag):
      if flag == "n":
          for filename in (self._datfile, self._bakfile, self._dirfile):
              try:
                  _os.remove(filename)
              except OSError:
                  pass
      # Mod by Jack: create data file if needed
      try:
          f = _io.open(self._datfile, "r", encoding="Latin-1")
      except OSError:
          if flag not in ("c", "n"):
              raise
          with _io.open(self._datfile, "w", encoding="Latin-1") as f:
              self._chmod(self._datfile)
      else:
          f.close()
  
imports: import ast
  import io
  import os
  import collections.abc
label_desc: Use image node_id 2 for calling the _Database obj's underlying member method code with example usage: obj._create(flag) without return types