new_contents: #!python3
  """persona"""
  
  import sys
  import time
  
  
  def main():
      print("*** persona ***")
      print("Python {}".format(sys.version))
      print("Started at {}".format(time.strftime("%Y-%m-%d %H:%M:%S")))
      started_at = time.time()
  
      print("Completed at {}".format(time.strftime("%Y-%m-%d %H:%M:%S")))
      elapsed = time.time() - started_at
      seconds = round(elapsed)
      minutes, seconds = divmod(seconds, 60)
      hours, minutes = divmod(minutes, 60)
      days, hours = divmod(hours, 24)
      weeks, days = divmod(days, 7)
      print("Elapsed {:d}w {:d}d {:d}h {:d}m {:d}s ({:,.3f}s)".format(weeks, days, hours, minutes, seconds, elapsed))
  
  if __name__ == '__main__':
      main()
  
subject: Work in progress