[email protected]:/home/python#python python_numpy_random_2d_float.py
[[0.57030689 0.42623797 0.9017478  0.3165215  0.16298018]
 [0.56649818 0.37334056 0.43204049 0.42513929 0.73852641]
 [0.03182872 0.84783245 0.34065329 0.38384807 0.64142724]]