Tue Oct 19 17:00:23 2021

constants_test():
  Python version: 3.6.9
  Test constants(), with the interface:
    g,c,h = constants()

     6.67384e-11 , 299792458.0 , 6.62607004e-34  = constants ( );

constants_test():
  Normal end of execution.
Tue Oct 19 17:00:23 2021