code: def define(
      name: str,
      default: Any = None,
      type: Optional[type] = None,
      help: Optional[str] = None,
      metavar: Optional[str] = None,
      multiple: bool = False,
      group: Optional[str] = None,
      callback: Optional[Callable[[Any], None]] = None,
  ) -> None:
      """Defines an option in the global namespace.
  
      See `OptionParser.define`.
      """
      return options.define(
          name,
          default=default,
          type=type,
          help=help,
          metavar=metavar,
          multiple=multiple,
          group=group,
          callback=callback,
      )
  
imports: 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.util import basestring_type, exec_in
  from typing import Any, Iterator, Iterable, Tuple, Set, Dict, Callable, List, TextIO, Optional
label_desc: Use image node_id 1 for calling a global function with example usage: define(name, default, type, help, metavar, multiple, group, callback) and returns: options