class LoLFirstTableViewController: UITableViewController {

    var taskListsManager: TaskListsManager = TaskListsManager()
    var tasks:[Task] = []

    override func viewDidLoad()
    {
        ...

        //Fill the initial data (from file or wherever you are getting it from)
        let taskList1:TaskList = TaskList(...)
        let taskList2:TaskList = TaskList(...)

        taskListsManager.taskLists.append(taskList1)
        taskListsManager.taskLists.append(taskList2)
        ...

        //Get the first task list and display it
        if let firstTaskList = taskListsManager.taskLists.first
        {
            self.tasks = firstTaskList.tasks
            self.tableView.reloadData()
        }
    }

    ......

    // Create and display another view controller
    func openAnotherVC()
    {
        if let newViewController = storyboard?.instantiate(...) as? LoLSecondTableViewController
        {
            newViewController.taskListsManager = self.taskListsManager
            navigationController?.pushViewController(newViewController, animated:true)
        }
    }

}