[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.52110807 0.35908782 0.32865064 0.75913066 0.26489949]
 [0.69993067 0.87006347 0.53061302 0.87150649 0.66716422]
 [0.07744461 0.7028487  0.33866222 0.16368643 0.07419368]]