numpy.any

Z = np.random.randint(0,3,(3,10))
print(Z)
Z = Z.any(axis=0)
print(Z)
print((~Z).any())

• e.g.

[[0 1 2 0 0 2 0 0 0 0]
 [1 1 1 1 0 0 2 0 1 0]
 [2 1 0 2 2 0 1 2 1 0]]
[ True  True  True  True  True  True  True  True  True False]
True

[[0 0 2 0 0 1 1 0 2 0]
 [2 1 0 1 2 0 1 2 0 2]
 [2 2 1 0 0 1 2 0 1 0]]
[ True  True  True  True  True  True  True  True  True  True]
False

Refs.

• numpy.any