#include 
using namespace std;
void display(list &lst){
    list :: iterator it;
    for(it = lst.begin(); it != lst.end(); it++){
         cout<<*it<<" ";
    }
}
int main(){
    list list1;
    int data, size;
    cout<<"Enter the list Size ";
    cin>>size;
    for(int i = 0; i>data;
        list1.push_back(data);
    }
    cout<