Multilevel Driver Initialization

#include <iostream>
using namespace std;

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

// TODO 2: Create CommDriver class
//         - Publicly inherits from CoreDriver
//         - Constructor prints "Comm driver initialized"

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

class CommDriver: public CoreDriver{

    public:
    CommDriver(){
        cout<<"Comm driver initialized"<<endl;
    }
};

class SpiDriver: public CommDriver{
    int speed;
    public:
    SpiDriver(int s): speed(s){
        cout<<"SPI driver initialized"<<endl;
    }
    void print(){
        cout<<"SPI speed "<<speed<<endl;
    }
};

int main() {
    int speed;
    cin >> speed;
    SpiDriver spi(speed);
    spi.print();
    // TODO 4: Create SpiDriver object
    // TODO 5: Call function to print SPI speed

    return 0;
}