Wyświetl tablicę dziwnych wierszy, a nawet kolumn w Numpy
>>> x[:, 1::2]
array([[ 2, 4],
[ 7, 9],
[12, 14],
[17, 19]])
Cautious Crossbill
>>> x[:, 1::2]
array([[ 2, 4],
[ 7, 9],
[12, 14],
[17, 19]])