np.random.seed()

>>> import numpy as np
>>> np.random.seed(1)
>>> np.random.rand(5)
array([4.17022005e-01, 7.20324493e-01, 1.14374817e-04, 3.02332573e-01,
       1.46755891e-01])
>>> np.random.rand(5)
array([0.09233859, 0.18626021, 0.34556073, 0.39676747, 0.53881673])
>>> np.random.seed(1)
>>> np.random.rand(5)
array([4.17022005e-01, 7.20324493e-01, 1.14374817e-04, 3.02332573e-01,
       1.46755891e-01])
>>>