Answers for "get only the column of an array numpy"

extract column numpy array python

# Extract/ Slice only the 3rd column from the numpy array
print(a2[:,[2]])

get column or row of matrix array numpy python

test = numpy.array([[1, 2], [3, 4], [5, 6]])
column = test[:,0]
# column == array([1, 3, 5])
row = test[1,:]
# row == array([3, 4])