code: def summary(app):
      
      r = requests.get('https://{}.herokuapp.com/summary'.format(app))
      summary = r.json()['summary']
      click.echo("\nstatus \t| count")
      click.echo("----------------")
      for s in summary:
          click.echo("{}\t| {}".format(s[0], s[1]))
      num_101s = sum([s[1] for s in summary if s[0] == 101])
      num_10xs = sum([s[1] for s in summary if s[0] >= 100])
      if num_10xs > 0:
          click.echo("\nYield: {:.2%}".format(1.0 * num_101s / num_10xs))
docs: Print a summary of a deployed app's status.