code: def print_help(file=None):
      """Prints all the command line options to stderr (or another file).
  
      See `OptionParser.print_help`.
      """
      return options.print_help(file)
  
imports: from __future__ import absolute_import, division, print_function
  import datetime
  import numbers
  import re
  import sys
  import os
  import textwrap
  from tornado.escape import _unicode, native_str
  from tornado.log import define_logging_options
  from tornado import stack_context
  from tornado.util import basestring_type, exec_in
label_desc: Use image node_id 4 for calling a global function with example usage: print_help(file) and returns: options