classes

import numpy as np
import matplotlib.pyplot as plt

print('I Am executing myself')


class Operations:
    def __init__(self, a, b):
        self.__number_1 = a
        self.__number_2 = b
        print('Class initialized correctly with these two numbers: {} and {}'.format(a, b))

    def __getNumber1(self):
        return self.__number_1

    def getNumber2(self):
        return self.__number_2

    def set_a_and_b(self, newvalue1, newvalue2):
        self.__number_1 = newvalue1
        self.__number_2 = newvalue2

    def add(self):
        return self.__number_1 + self.__number_2

    def print(self):
        print(self.add())
    
    def subtraction(self):
        return np.abs(self.__number_1 - self.__number_2)


class Plotter:
    def __init__(self, x, y):
        if type(x) == int or type(y) == int:
            raise ValueError('Bad Arguments: cannot function with these things')
        self.x = x
        self.y = y
        print('class plotter initialized correctly')

    def plot(self):
        plt.scatter(self.x, self.y)