[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.84161794 0.46316729 0.688614   0.32427654 0.89603381]
 [0.24729202 0.18905177 0.29212103 0.96762041 0.63336125]
 [0.95505432 0.83149462 0.21224181 0.39456136 0.99482526]]