while not hasattr(board_handler, 'start_node'):
board_handler.draw_board()
x = input_handler.get_numeric("Please type the start column number.")
y = input_handler.get_numeric("Please type the start row number.")
if board_handler.is_coordinate_available(x, y):
board_handler.set_starting_node(x, y)
while not hasattr(board_handler, 'destination_node'):
board_handler.draw_board()
x = input_handler.get_numeric(
"Please type the destination column number.")
y = input_handler.get_numeric(
"Please type the destination row number.")
if board_handler.is_coordinate_available(x, y):
board_handler.set_destination_node(x, y)
board_handler.draw_board()
input("Press any key to start the pathfinding.")
path = path_handler.calculate_path()
if len(path) == 0:
print("No path found.")
else:
board_handler.mark_path(path)
board_handler.draw_board()
input()
