code: def parse_alt(self) -> Tuple["NFAState", "NFAState"]:
      # ALT: ITEM+
      a, b = self.parse_item()
      while self.value in ("(", "[") or self.type in (
          token.NAME,
          token.STRING,
      ):
          c, d = self.parse_item()
          b.addarc(c)
          b = d
      return a, b
  
imports: import os
  from typing import IO, Any, Dict, Iterator, List, NoReturn, Optional, Sequence, Tuple, Union
  from blib2to3.pgen2 import grammar, token, tokenize
  from blib2to3.pgen2.tokenize import GoodTokenInfo
  import pkgutil
  import io
label_desc: Use image node_id 13 for calling the ParserGenerator obj's underlying member method code with example usage: obj.parse_alt() and returns: a,  b