1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
6 3 0 Ellipsis 6 7 20 49994955 1 1 1 3 (0, 1, False, True) (1, 3) [1, 3] [1, 3] OSError(1,) 1 1