code: def get(self, key, default=None):
      return self.data.get(self.ref_type(key), default)
  
imports: from __future__ import annotations
  import weakref
  from weakref import ref
  from _weakrefset import _IterationGuard
  from collections.abc import MutableMapping, Mapping
  from torch import Tensor
  import collections.abc
label_desc: Use image node_id 11 for calling the WeakIdKeyDictionary obj's underlying member method code with example usage: obj.get(key, default) and returns: self