code: def toc(*args, **kwargs):
      
      global Gtic_start
      f_elapsedTime = time.time() - Gtic_start
      for key, value in kwargs.items():
          if key == 'sysprint':   return value % f_elapsedTime
          if key == 'default':    return "Elapsed time = %f seconds." % f_elapsedTime
      return f_elapsedTime
docs: Port of the MatLAB function of same name
  
          Behaviour is controllable to some extent by the keyword
          args: