oop2.py

#include<iostream>
class D3 {
private:
    int x;
    int y;
    int z;
public:
    D3()
    {
        x = 0;
        y = 0;
        z = 0;
    }
    D3(int x1,int y1,int z1)
    {
        x = x1;
        y = y1;
        z = z1;
    }

    void setx(int x)
    {
        this->x = x;
    }
    void sety(int y1)
    {
        this->y= y1;
    }
    void setz(int z1)
    {
        this->z = z1;
    }
    int getx()
    {
        return x;
    }
    int gety()
    {
        return y;
    }
    int getz()
    {
        return z;
    }
    void print()
    {
        std::cout << "x = " << x << " , y = " << y << " , z = " << z << std::endl;
    }

    D3 addVect(D3 anotherV)
    {
        D3 resultVector;
        //x,y,z
        int x1 = anotherV.getx();
        int y1 = anotherV.gety();
        int z1 = anotherV.getz();

        int x2 = 0;
        int y2 = 0;
        int z2 = 0;
        x2 = this->x + x1;
        y2 = this->y + y1;
        z2 = this->z + z1;
        resultVector.setx(x2);
        resultVector.sety(y2);
        resultVector.setz(z2);
        return resultVector;
    }
    // resultVector = MainVector + AnotherVector;
};

int main()
{
    D3 first(1, 2, 3);
    D3 second(2, 3, 4);
    D3 result(0, 0, 0);
    result = first.addVect(second);
    result.print();
    return 0;
}