import 'dart:io';
  
void main() {

  Mother m1= Mother(age:33, name:"mom");
  Daugther d1= Daugther(12,"eman");
  m1.display();
  d1.display();
  
}

class Mother{
  int age; 
  String name;

  Mother({required int this.age,required String this.name});
  void display(){
    print("Mom Age ${this.age}, name ${this.name}");
  }
}

class Daugther extends Mother{
  Daugther(int age, String name):super(age:age, name:name);
  @override
  void display(){
    print("Daugter Age ${this.age}, name ${this.name}");
  }
}