def load_list_room_items(data, room_names):
    """
    Loading each room respective list of items.

    Parameters:
        data(dict): Nested dictionaries containing
            all information of the game.
        room_names(list): List containg room names.

    Returns:
        items_list(list): Returns list of room items.
    """
    items_list = []
    for name in room_names:
        item_list = data['Rooms'][name]['Items']
        items_list.append(item_list)
    return items_list