[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.86580265 0.10346581 0.97382247 0.28612078 0.75595755]
 [0.91500673 0.71248175 0.42929957 0.25162222 0.95847774]
 [0.19372391 0.69901888 0.7563058  0.8732215  0.37548506]]