Question: 23
(Choose 1 answer)
What does the following numpy array slicing expression do?
arr = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
sliced arr arr[, 1:]
A. An array containing all elements except the first row and the first column.
B. An array containing all elements except the last row and the last column.
C. An array containing all elements except the first column.
D. An array containing all elements except the last column.