class_docstr: Parsing base class.
class_docstr_tok: ["Parsing","base","class","."]
code: def showpeek(self) -> str:
      tok = self._tokenizer.peek()
      return f"{tok.start[0]}.{tok.start[1]}: {token.tok_name[tok.type]}:{tok.string!r}"
  
imports: import argparse
  import sys
  import time
  import token
  import tokenize
  import traceback
  from abc import abstractmethod
  from typing import Any, Callable, ClassVar, Dict, Optional, Tuple, Type, TypeVar, cast
  from pegen.tokenizer import Mark, Tokenizer, exact_token_types
label_desc: Use image node_id 3 for calling the Parser obj's underlying member method code with example usage: obj.showpeek() and returns: tok, str, tok, str, token, str, tok