Sun Aug 13 07:19:25 2023 ball_positive_distance_test(): Python version: 3.8.10 Test ball_positive_distance(). Using N = 10000 sample points, Estimated mean distance = 0.55204 Estimated variance = 0.0494543 Graphics saved as "ball_positive_distance_histogram.png" ball_positive_distance_test(): Normal end of execution. Sun Aug 13 07:19:27 2023