code: def __repr__(self):
      return "<%s: %s>" % (
          self.__class__.__name__,
          self.nonterminal_or_string,
      )
  
imports: from typing import Optional, Iterator, Tuple, List
  from parso.python.tokenize import tokenize
  from parso.utils import parse_version_string
  from parso.python.token import PythonTokenTypes
label_desc: Use image node_id 2 for calling the NFAArc obj's underlying member method code with example usage: obj.__repr__() and returns: unknown