code: def get_func(self):
      func_name = getattr(self._f, "__name__", self.__class__.__name__)
      if inspect.isclass(self._f):
          func = getattr(self._f, "__call__", self._f.__init__)
      else:
          func = self._f
      return func, func_name
  
imports: import inspect
  import textwrap
  import re
  import pydoc
  from warnings import warn
  from collections import namedtuple
  from collections.abc import Callable, Mapping
  import copy
  import sys
label_desc: Use image node_id 2 for calling the FunctionDoc obj's underlying member method code with example usage: obj.get_func() and returns: func,  func_name