single level inheritance (derived class) : private (base class)

#include <iostream>
using namespace std;

class stu
{
   int id;
   char name[10];
   
   public:
   void get_data()
   {
       cout<<"enter student name:";
       cin>>name;
       cout<<"enter student id:";
       cin>>id;
   }
   void put_data()
   {
       cout<<"name="<<name;
       cout<<"id="<<id;
       
       
   }
    
    
    
    
};

class phy:private stu
{
    int w ,h;
    public:
    void get_phy()
    {
       get_data();
       cout<<"enter student height:";
       cin>>h;
       cout<<"enter student weight:";
       cin>>w;
    }
    
    void put_phy()
    {
       put_data();
       cout<<"height="<<h;
       cout<<"weight="<<w;
       
     }
    
    
    
};



int main()
{
    
    phy p;
   
    p.get_phy();
    p.put_phy();
    cout<<"hello";
    return 0;
}