code: def tokenize(
      code: str,
      *,
      version_info: PythonVersionInfo,
      start_pos: Tuple[int, int] = (1, 0),
  ) -> Iterator[PythonToken]:
      """Generate tokens from a the source code (string)."""
      lines = split_lines(code, keepends=True)
      return tokenize_lines(
          lines, version_info=version_info, start_pos=start_pos
      )
  
imports: from __future__ import absolute_import
  import sys
  import re
  import itertools
  from codecs import BOM_UTF8
  from typing import NamedTuple, Tuple, Iterator, Iterable, List, Dict, Pattern, Set
  from parso.python.token import PythonTokenTypes
  from parso.utils import split_lines, PythonVersionInfo, parse_version_string
label_desc: Use image node_id 9 for calling a global function with example usage: tokenize(code) and returns: tokenize_lines