[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.99167533 0.25091242 0.00128584 0.78258744 0.27851002]
 [0.03417318 0.25476911 0.75037971 0.79317098 0.54427331]
 [0.25186095 0.63599356 0.97004662 0.75513096 0.10343168]]