def holidays(cls):
        """
        Calculate and return how many leaves day you have.
        """
        item = None
        holidays = 0
        for _tuple in cls.history[::-1]:
            item = _tuple[0]
            if item != cls.base():
                holidays = OPERATORS[item[0:1]](holidays, int(item[1:]))
            else:
                holidays = holidays + int(cls.base()[1:])
                break
        return holidays

        Calculate and return how many leaves day you have.
        
recipes/Python/577280_Holiday_Leave/recipe-577280.py