text: from enum import Enum, auto
  
  
  class Class(Enum):
      ID = auto()
      EOF = auto()
      Exit = auto()
  
      Array = auto()
      TYPE = auto()
      INT = auto()
      Float = auto()
      BOOL = auto()
      CHAR = auto()
      STRING = auto()
  
      ASSIGN = auto()
  
      PLUS = auto()
      MINUS = auto()
      STAR = auto()
      FWDSLASH = auto()
      DIV = auto()
      MOD = auto()
  
      EQ = auto()
      NEQ = auto()
      LT = auto()
      GT = auto()
      LTE = auto()
      GTE = auto()
  
      OR = auto()
      AND = auto()
      NOT = auto()
      XOR = auto()
  
      LPAREN = auto()
      RPAREN = auto()
      LBRACKET = auto()
      RBRACKET = auto()
  
      SEMICOLON = auto()
      COMMA = auto()
      DOT = auto()
      Colon = auto()
      DOTDOT = auto()
  
      BEGIN = auto()
      END  = auto()
  
      IF = auto()
      ELSE = auto()
      THEN = auto()
  
      FOR = auto()
      TO = auto()
      DOWNTO = auto()
      WHILE = auto()
      DO = auto()
  
      BREAK = auto()
      CONTINUE = auto()
  
      REPEAT = auto()
      UNIIL = auto()
  
      VAR = auto()
      OF = auto()
      PROCEDURE = auto()
      FUNCTION = auto()
  
  class Token:
      def __init__(self, class_, lexeme):
          self.class_ = class_
          self.lexeme = lexeme
  
      def __str__(self):
          return "<{} {}>".format(self.class_, self.lexeme)
  