import numpy as np
def test_run():
data=np.random.random((3,4))
"""
[[ 0.80150549 0.96756513 0.18914514 0.85937016]
[ 0.23563908 0.75685996 0.46804508 0.91735016]
[ 0.70541929 0.04969046 0.75052217 0.2801136 ]]
"""
data=np.random.rand(3,4)
"""
[[ 0.48137826 0.82544788 0.24014543 0.56807129]
[ 0.02557921 0.50690438 0.29423376 0.85673923]
[ 0.32648763 0.97304461 0.6034564 0.70554691]]
"""
data=np.random.normal(size=(2,3)) #mean=0, sd=1
"""
[[ 1.57598046 0.06976049 -1.6502364 ]
[ 0.30437287 -0.88249543 -0.04233034]]
"""
data=np.random.normal(50,10,size=(2,3)) #mean=50, sd=10
"""
[[ 34.40308274 56.17179863 36.05758636]
[ 57.38723594 41.43156664 65.54296858]]
"""
print(np.random.randint(10)) #6
print(np.random.randint(0,10)) #9
print(np.random.randint(0,10,size=(5))) #[2 1 8 4 1]
print(np.random.randint(0,10,size=(2,3)))
"""
[[0 2 4]
[3 8 3]]
"""
if __name__ == "__main__":
test_run()