// editor1
#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
#include<string.h>
struct node{
    char task[100];
    struct Node *prev, *next;
};
struct Node* createNode(char *task){
    struct Node *newNode=(struct Node*)malloc(sizeof(struct Node));
    strcpy(newNode->task,task);
    newNode->prev=newNode->next
}