[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.55960061 0.41746697 0.51888336 0.75722525 0.2786458 ]
 [0.02125654 0.21453121 0.87665419 0.06205492 0.89540862]
 [0.87359179 0.83872347 0.770379   0.64497654 0.09400124]]