python how to convert numpy int into an array code example

Example: python convert number in array to integer

A = np.array((0.4, 1.6, 2.1, -3.7, 2.9))
>>> A
array([ 0.4,  1.6,  2.1, -3.7,  2.9])
>>> A = A.astype(int)
>>> A
array([ 0,  1,  2, -3,  2])