code: def countdown_timer(seconds=10):
      
  
      tick = 0.1  # seconds
      n_ticks = int(seconds / tick)
  
      widgets = ['Pause for panic: ', progressbar.ETA(), ' ', progressbar.Bar()]
      pbar = progressbar.ProgressBar(
          widgets=widgets, max_value=n_ticks
      ).start()
  
      for i in range(n_ticks):
          pbar.update(i)
          sleep(tick)
  
      pbar.finish()
docs: Show a simple countdown progress bar
  
      Parameters
      ----------
      seconds
          Period of time the progress bar takes to reach zero.