Class Student

week12/examples/virtual.cpp:24–34

};

class Student: public Person
{
  public:
    string id;
    Student(string n, string i): Person(n), id(i){}
    void print() 
    {
        cout << "Name: " << name;
        cout << ". ID: " << id << endl;
    }
};

void printObjectInfo(Person & p)
{