Proof of concept: building Page Object model with reusable, nestable components using Playwright in Python.

App under test: https://bwilczek.github.io/watir_pump_tutorial/todo_lists.html

Build Page Object model with the following components:

• MultiToDoListsPage - contains many lists
• ToDoList - contains title, many items and means to add a new item
• ToDoListItem - contains title and mean to remove oneself

See todo_lists_page_test.py for example usage.