import numpy as np

np.random.uniform(-1, 1, size=50)

array([ 0.49539838,  0.43035945,  0.79026781,  0.28001463, -0.16320292,
        0.89633064,  0.00344857, -0.76730168, -0.84719144,  0.36509597,
       -0.68227327,  0.34856835, -0.31880533,  0.63343364,  0.61336679,
        0.77168799, -0.77260954,  0.63779281,  0.71914075,  0.55045328,
        0.69665936,  0.39580553, -0.18424476,  0.14493064, -0.27034756,
        0.61780091, -0.11129419, -0.44827328, -0.18664985, -0.02084908,
        0.53019057,  0.50920233,  0.78026455,  0.7620097 , -0.83641205,
        0.39077726, -0.76821389, -0.28663047,  0.60993404,  0.3919517 ,
        0.68862354,  0.24789238, -0.14832855,  0.29562044, -0.39572779,
        0.89911049,  0.90169118,  0.35936399,  0.72234374,  0.92527244])

np.random.normal(loc=5, scale=1, size=50)

array([3.99540302, 5.42477798, 3.62330439, 4.9731306 , 6.21828079, 4.51902791, 6.1334842 , 4.56648912, 5.3992875 , 3.95050706, 5.73553032, 4.22494377, 5.360443 , 4.85094403, 4.1159568 , 3.45094822, 4.74610973, 5.41614584, 5.42907341, 5.49982898, 5.00877828, 5.77638055, 5.47671667, 7.06678715, 5.18896171, 5.27702582, 4.83959863, 4.70648175, 5.26616529, 6.56980397, 6.74427887, 5.81149735, 5.86143491, 5.96406701, 3.42832037, 6.55068341, 5.37860703, 5.16469798, 4.30811981, 5.19175355, 4.87997044, 6.16674248, 5.82573557, 5.32296077, 5.76484133, 6.41574398, 4.02551885, 4.09796754, 6.10984257, 3.33540774])



np.random.choice(a=['Peg', 'Sal', 'Tg', 'Ecc', 'Ale'], p=[0.2, 0.1, 0.3, 0.3, 0.1], replace=False, size=5)

array(['Ale', 'Sal', 'Ecc', 'Tg', 'Peg'], dtype='<U3')

np.random.randint(low=0, high=10, size=500)

array([1, 4, 9, 2, 0, 6, 5, 6, 9, 8, 0, 2, 7, 4, 5, 4, 3, 0, 1, 4, 5, 7,
       5, 5, 6, 1, 6, 3, 6, 2, 8, 6, 6, 7, 3, 4, 9, 8, 2, 1, 9, 5, 0, 1,
       5, 2, 0, 6, 3, 7, 3, 1, 3, 5, 6, 8, 3, 3, 3, 5, 3, 4, 4, 8, 5, 3,
       7, 5, 6, 5, 3, 6, 6, 5, 3, 5, 2, 3, 3, 3, 4, 7, 4, 3, 9, 1, 9, 4,
       0, 9, 1, 3, 2, 6, 9, 4, 2, 5, 6, 9, 3, 3, 8, 1, 4, 3, 2, 5, 8, 4,
       1, 7, 6, 6, 7, 9, 4, 9, 9, 1, 4, 2, 3, 3, 8, 9, 4, 5, 7, 5, 5, 4,
       2, 1, 2, 1, 7, 1, 2, 6, 4, 0, 6, 4, 6, 1, 9, 1, 0, 9, 7, 3, 4, 4,
       4, 5, 2, 4, 1, 7, 8, 5, 1, 3, 6, 3, 1, 8, 1, 1, 7, 1, 3, 6, 7, 4,
       2, 1, 8, 2, 5, 0, 9, 2, 8, 8, 5, 7, 0, 6, 3, 5, 9, 3, 4, 2, 3, 7,
       6, 4, 2, 8, 0, 0, 8, 6, 6, 2, 3, 8, 4, 9, 3, 2, 9, 4, 6, 5, 1, 1,
       3, 5, 6, 5, 6, 6, 9, 6, 7, 3, 9, 8, 7, 5, 9, 2, 0, 7, 5, 2, 4, 4,
       0, 7, 9, 3, 9, 1, 6, 6, 6, 4, 4, 4, 5, 2, 7, 2, 5, 8, 5, 2, 8, 2,
       7, 9, 2, 0, 4, 7, 5, 8, 4, 8, 1, 5, 0, 9, 8, 4, 7, 3, 2, 1, 2, 3,
       7, 5, 0, 1, 2, 9, 6, 1, 2, 8, 5, 8, 9, 3, 8, 5, 1, 2, 0, 7, 1, 7,
       4, 4, 9, 1, 0, 0, 5, 3, 5, 2, 8, 3, 4, 8, 2, 0, 1, 4, 5, 6, 5, 0,
       8, 7, 3, 3, 0, 8, 9, 2, 2, 5, 6, 9, 8, 5, 4, 7, 1, 8, 5, 0, 8, 5,
       3, 3, 4, 0, 1, 0, 2, 4, 9, 8, 3, 0, 9, 6, 8, 0, 7, 4, 2, 1, 1, 3,
       6, 4, 7, 5, 8, 4, 8, 0, 5, 8, 2, 7, 5, 3, 1, 2, 4, 6, 7, 5, 8, 0,
       9, 4, 3, 3, 2, 9, 0, 4, 5, 9, 4, 6, 7, 4, 2, 9, 4, 2, 0, 3, 6, 6,
       8, 3, 5, 7, 6, 9, 3, 9, 3, 9, 8, 0, 5, 6, 5, 7, 1, 1, 9, 6, 6, 5,
       9, 1, 2, 9, 1, 2, 2, 3, 0, 3, 3, 4, 9, 9, 7, 3, 8, 8, 0, 6, 3, 7,
       1, 2, 7, 5, 4, 2, 4, 5, 5, 0, 1, 1, 1, 9, 2, 8, 3, 8, 5, 9, 3, 8,
       9, 6, 9, 2, 1, 9, 0, 4, 2, 3, 7, 6, 3, 5, 5, 1])