I got myself a list with boolean sub lists which i connect to a list.map. If al the booleans are false, the sublist becomes empty list in my list.map, which is great. However, he removes all the first empty list items in map.list. I wanted to maintain those items in my map.list becouse now i end up with 136 items in my first list en 128 in my list.map. Does anyone know how to do this?