code: def tokenize(code, version_info, start_pos=(1, 0)):
      """Generate tokens from a the source code (string)."""
      lines = split_lines(code, keepends=True)
      return tokenize_lines(lines, version_info, start_pos=start_pos)
  
imports: from __future__ import absolute_import
  import sys
  import re
  from collections import namedtuple
  import itertools
  from codecs import BOM_UTF8
  from parso.python.token import PythonTokenTypes
  from parso.utils import split_lines
label_desc: Use image node_id 9 for calling a global function with example usage: tokenize(code, version_info, start_pos) and returns: tokenize_lines