Empty

import numpy as np

Numpy Empty

a = np.empty([2, 2])

print(a)

[[1.28822975e-231 1.28822975e-231]
 [1.29074295e-231 2.82475114e-309]]

b = np.empty([3, 1], dtype=np.int32)

print(b)

[[          0]
 [  268435456]
 [-1463385186]]

Integer dtypes

np.int8 - Byte - (-128 to 127)

np.int16 - Integer - (-32768 to 32767)

np.int32 - Integer - (-2147483648 to 2147483647)

np.int64 - Integer - (-9223372036854775808 to 9223372036854775807)