code: def peek(self, raw: bool = False) -> Token | None:
      # Return next token without advancing position
      tok = self.next(raw=raw)
      self.backup()
      return tok
  
file_path: cpython/Tools/cases_generator/plexer.py
imports: import lexer
label_desc: Use image node_id 7 for calling the PLexer obj's underlying member method code with example usage: obj.peek(raw) and returns: tok