python numpy logic_and

>>> import numpy as np

>>> np.logical_and(True, False)
False

>>> np.logical_and([True,False], [False,False])
array([False, False], dtype=bool)

>>> np.logical_and([1,2], [2,3])
array([ True,  True], dtype=bool)
>>> np.logical_and([1,2], [0,3])
array([False,  True], dtype=bool)

>>> x= np.arange(5)
>>> np.logical_and(x>1,x<4)
array([False, False,  True,  True, False], dtype=bool)