code: def _alphanumeric_key(key: str) -> List[Union[int, str]]:
      return [_convert(c) for c in re.split("([0-9]+)", key)]
  
imports: import re
  from typing import Iterable, List, Union
label_desc: Use image node_id 2 for calling a global function with example usage: _alphanumeric_key(key) and returns: unknown