[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.25278269 0.30561964 0.95183159 0.63181026 0.98700234]
 [0.63230408 0.2243944  0.76067535 0.97030432 0.43244814]
 [0.3689886  0.81748613 0.26164933 0.12829831 0.880006  ]]