code: def is_simple_callable(obj):
      """True if obj is a function ()"""
      return (
          inspect.isfunction(obj)
          or inspect.ismethod(obj)
          or isinstance(obj, _builtin_func_type)
          or isinstance(obj, _builtin_meth_type)
      )
  
imports: from __future__ import print_function
  import inspect
  import linecache
  import warnings
  import os
  from textwrap import dedent
  import types
  import io
  from IPython.core import page
  from IPython.lib.pretty import pretty
  from IPython.testing.skipdoctest import skip_doctest_py3
  from IPython.utils import PyColorize
  from IPython.utils import openpy
  from IPython.utils import py3compat
  from IPython.utils.dir2 import safe_hasattr
  from IPython.utils.path import compress_user
  from IPython.utils.text import indent
  from IPython.utils.wildcard import list_namespace
  from IPython.utils.coloransi import TermColors, ColorScheme, ColorSchemeTable
  from IPython.utils.py3compat import cast_unicode, string_types, PY3
  from IPython.utils.signatures import signature
  from IPython.utils.colorable import Colorable
  from pygments import highlight
  from pygments.formatters import HtmlFormatter
label_desc: Use image node_id 6 for calling a global function with example usage: is_simple_callable(obj) and returns: unknown