[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.93489212 0.72544417 0.9855071  0.78543888 0.82430305]
 [0.32767917 0.90440688 0.30562366 0.16747278 0.33320304]
 [0.54686616 0.88244076 0.23793604 0.13214215 0.41282543]]