class_docstr: provide attribute-style access to a nested dict
code: def __init__(self, d: dict[str, Any], prefix: str = "") -> None:
      object.__setattr__(self, "d", d)
      object.__setattr__(self, "prefix", prefix)
  
imports: from __future__ import annotations
  from contextlib import ContextDecorator, contextmanager
  import re
  from typing import TYPE_CHECKING, Any, Callable, Generic, NamedTuple, cast
  import warnings
  from pandas._typing import F, T
  from pandas.util._exceptions import find_stack_level
label_desc: Use image node_id 1 to create a new DictWrapper object  with example: obj = DictWrapper(d, prefix)