code: def __missing__(self, key):
      if self.default_factory is None:
          raise KeyError(key)
      self[key] = value = self.default_factory()
      return value
  
imports: import hashlib
  import logging
  import os
  import struct
  import subprocess
  import sys
  from collections import OrderedDict
  from collections.abc import Callable
  from functools import partial
label_desc: Use image node_id 3 for calling the DefaultOrderedDict obj's underlying member method code with example usage: obj.__missing__(key) and returns: value