Multilevel Driver Initialization

#include <iostream>
using namespace std;

// TODO 1: Create CoreDriver class
//         - Constructor prints "Core driver initialized"

class CoreDriver{
    public:
        CoreDriver(){
            cout << "Core driver initialized" << endl;
        }
};

// TODO 2: Create CommDriver class
//         - Publicly inherits from CoreDriver
//         - Constructor prints "Comm driver initialized"
class CommDriver : public CoreDriver{
    public:
        CommDriver(){
            cout << "Comm driver initialized" << endl;
        }
};


// TODO 3: Create SpiDriver class
//         - Publicly inherits from CommDriver
//         - Constructor takes int speed
//         - Prints "SPI driver initialized"
//         - Stores speed
//         - Function prints "SPI speed <speed>"
class SpiDriver : public CommDriver{
    private:
        int speed;
    public:
        SpiDriver(int spi_speed){
            speed = spi_speed;
            cout << "SPI driver initialized" << endl;
        }
        void print_speed(){
            cout << "SPI speed " << speed <<endl;
        }
};


int main() {
    int speed;
    cin >> speed;

    // TODO 4: Create SpiDriver object
    SpiDriver spi(speed);
    // TODO 5: Call function to print SPI speed
    spi.print_speed();

    return 0;
}