>>> A = np.array([4,7,2])
>>> A == 4
array([ True, False, False], dtype=bool)
>>> A < 5
array([ True, False, True], dtype=bool)
>>> B = np.array([[42,56,89,65],
... [99,88,42,12],
... [55,42,17,18]])
>>> B<42
array([[False, False, False, False],
[False, False, False, True],
[False, False, True, True]], dtype=bool)
>>>