is it possible to add a beep when collecting a checkpoint?
I don't think printing on screen time with millisecond precision is needed. Better stick with full seconds or just one number after decimal and put final result with best precision.
I don't think printing on screen time with millisecond precision is needed. Better stick with full seconds or just one number after decimal and put final result with best precision.

. And I think you chose a complicated object, where there was too much to delete
.