code: def _tr_help(content):
      """Translate lines escaped with: ?
  
      A naked help line should fire the intro help screen (shell.show_usage())
      """
      if not content:
          return "get_ipython().show_usage()"
  
      return _make_help_call(content, "?")
  
imports: import ast
  from codeop import CommandCompiler, Compile
  import re
  import sys
  import tokenize
  from typing import List, Tuple, Optional, Any
  import warnings
  from IPython.utils import tokenutil
label_desc: Use image node_id 8 for calling a global function with example usage: _tr_help(content) and returns: _make_help_call, str