[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.2498077  0.30315057 0.45075863 0.41433774 0.2517849 ]
 [0.17651367 0.23890001 0.64164116 0.24085277 0.22120293]
 [0.78792982 0.52536912 0.42973417 0.06247308 0.77625073]]