text: #pragma once
  #include <cstdio>
  #include <iostream>
  
  #include "dll.h"
  
  class Stack {
      private:
          Node *top;
          void getTop();
      public:
          LinkedList *lst;
          Stack();
          ~Stack();
  
          void display();
          void push(int value);
          Node *head();
          int pop();
          int peak(int index);
          bool isEmpty();
          bool isFull();
  };
  