[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.06863954 0.33428113 0.11287422 0.44370516 0.74648079]
 [0.93608401 0.18432575 0.33147579 0.70721092 0.58541085]
 [0.79181335 0.38343858 0.5638716  0.8776591  0.90842617]]