import numpy as np
np.random.rand(10)
array([ 0.23735131, 0.06360195, 0.22929313, 0.95619299, 0.53718026, 0.61649013, 0.98640616, 0.14568506, 0.17034868, 0.1908491 ])
np.random.seed(10)
array([ 0.77132064, 0.02075195, 0.63364823, 0.74880388, 0.49850701, 0.22479665, 0.19806286, 0.76053071, 0.16911084, 0.08833981])