""" This is the increment function """


class Calculator:
    """ This is the Calculator class """

    output = 0

    def get_output(self):
        """ Get Output of Calculation """
        return self.output

    def add_number(self, value_a):
        """ adds number to output """
        self.output = self.output + value_a
        return self.output

    def subtract_number(self, value_a):
        """ subtract number from output"""
        self.output = self.output - value_a
        return self.output

    def multiply_numbers(self, value_a, value_b):
        """ multiply two numbers and store the output """
        self.output = value_a * value_b
        return self.output

    def divide_numbers(self, value_a, value_b):
        """ divide two numbers and store the output """
        self.output = value_a / value_b
        return self.output
