bool PLinkedList::_copy_node(String _title, String _fname, String _lname){
PNode *temp_p = NULL;
temp_p = head;
while(NULL != temp_p){
if(temp_p->data->dup_painting(_title,_fname,_lname))
break;
temp_p = temp_p->next;
}
Painting p;
p.deep_copy_(*temp_p->data);
PLinkedList::push_back(&p);
return temp_p;
};
