#include<stdio.h>
#include<stdlib.h>
typedef struct node
{
    struct node *next;
    struct node *prev;
}Node;
Node*head=NULL;
void create(int num);
Node*newNode=(Node*)malloc(1*sizeof(Node));
    newNode->data=num;
    newNode->next=NULL;
    newNode->prev=NULL;
    if(head==NULL)
    {
        head=newNode;
        tail=newNode;
    }
    else
    {
        newNode->prev=tail;
        tail->newNode=prev;
        tail=newNode;
    }
void dispaly()
{
    Node*itr;
        printf("%d",&num);
        return 0;
}
int main()
{
    
}