// Test6.cpp

#include <iostream.h>
#include "list.h" 
 
int print (list print_list) 
{
  while (print_list != nil) {
    cout << print_list . head ();
    print_list = print_list . tail ();
  }
  return 1;
}

list append (list list1, list list2)
{
  list list3;
  if (list1 == nil)
    list3 = list2;
  else
    list3 = append (list1 . tail (), list2) . cons (list1 . head ());
  return list3;
}

int main ()
{
  int i;
  list list_i; list my_list;
  i = 0;
  my_list = nil;
  while (i < 10) {
    list_i = nil;
    list_i = list_i . cons (i);
    my_list = append (my_list, list_i);
    i = i + 1;
  }
  i = print (my_list);
  return 1;
}