code: def t_ID(self, token):
          r'[a-zA-Z_][a-zA-Z0-9_-]*'
          if token.value in self.KEYWORDS:
              token.type = self.KEYWORDS[token.value]
              return token
          else:
              return tokef t_ID(self, token):
          r'[a-zA-Z_][a-zA-Z0-9_-]*'
          if token.value in self.KEYWORDS:
              token.type = self.KEYWORDS[token.value]
              return token
          else:
              return token
docs: r'[a-zA-Z_][a-zA-Z0-9_-]*