class Person:
    name = "Person"
    character = '^'

    def __init__(self, board_size):
        board_width, board_height = board_size
        self.position = (board_width // 2, board_height - 1)

    def handle_keystroke(self, keystroke, game):
        x, y = self.position
        if keystroke.name == "KEY_LEFT": 
                new_position = (x - 1, y)
        elif keystroke.name == "KEY_RIGHT": 
                new_position = (x + 1, y)
        elif keystroke.name == "KEY_UP": 
                new_position = (x, y - 1)
        elif keystroke.name == "KEY_DOWN": 
                new_position = (x, y + 1)
        else: 
            return

        if game.on_board(new_position) and game.is_empty(new_position):
            self.position = new_position