code: def lib2to3_parse(
      src_txt: str, target_versions: Iterable[TargetVersion] = ()
  ) -> Node:
      """Given a string with source, return the lib2to3 Node."""
      if not src_txt.endswith("\n"):
          src_txt += "\n"
  
      grammars = get_grammars(set(target_versions))
  
label_desc: Use image node_id 2 for calling a global function with example usage: lib2to3_parse(src_txt, target_versions) without return types