code: def is_def_arg_private(arg_name):
      """Return a boolean indicating if the argument name is private."""
      return arg_name.startswith("_")
  
imports: import ast
  import string
  import tokenize
  from collections import namedtuple
  from itertools import chain, takewhile
  from re import compile
  from textwrap import dedent
  from .None import violations
  from .config import IllegalConfiguration
  from .parser import AllError, Class, Definition, Function, Method, Module, NestedClass, NestedFunction, Package, ParseError, Parser, StringIO
  from .utils import common_prefix_length, is_blank, log, pairwise, strip_non_alphanumeric
  from .wordlists import IMPERATIVE_BLACKLIST, IMPERATIVE_VERBS, stem
label_desc: Use image node_id 6 for calling a global function with example usage: is_def_arg_private(arg_name) and returns: arg_name