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\n";
    }
};

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

// 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 sp) : speed(sp){
        // speed = sp;
        cout << "SPI driver initialized\n";
    }

    void print(){
        cout << "SPI speed " << speed;
    }
};

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

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


    return 0;
}