code: def toc(tt, return_msg=False, write_msg=True, verbose=None):
      
      if verbose is not None:
          write_msg = verbose
      (msg, start_time) = tt
      ellapsed = (default_timer() - start_time)
      if (not return_msg) and write_msg and msg is not None:
          sys.stdout.write('...toc(%.4fs, ' % ellapsed + '"' + str(msg) + '"' + ')\n')
      if return_msg:
          return msg
      else:
          return ellapsed
docs: similar to matlab toc
  
      SeeAlso:
          ut.tic