class Points(object):

    @staticmethod
    def one():
        """
        Return one point
        @return int
        """
        return 1
        
    @staticmethod
    def two():
        """
        Return two point
        @return int
        """
        return 2
        
    @staticmethod        
    def three():
        """
        Return three point
        @return int
        """
        return 3
        
    @staticmethod
    def four():
        """
        Return four point
        @return int
        """
        return 4
        
    @staticmethod        
    def clean():
        return Points.four()