For more information on Page Objects in Python see this article I wrote for the Pragmatic Magazine -- which has some bugs and I've evolved it a bit, but its the basis for everything else.
In windows: Open the python editor IDLE from the menu, and open xxxx.py(eg: Task-1.py for Task-1), then press F5 to run it. In Linux: On terminal, type chmod u+rx xxxx.py(eg: ...