def __init__(self, initial_location: str | None = None) -> None:
        """Initialise the main screen.

        Args:
            initial_location: The initial location to view.
        """
        super().__init__()
        self._initial_location = initial_location
Initialise the main screen.

        Args:
            initial_location: The initial location to view.
        
frogmouth/screens/main.py