[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.40679618 0.25293016 0.17807777 0.71972169 0.5634426 ]
 [0.29302078 0.75817534 0.45156464 0.21695723 0.1763412 ]
 [0.6303124  0.68839213 0.50857365 0.26322545 0.94446079]]