code: def format_results(images_per_second_for_aug, show_std=False):
      if images_per_second_for_aug is None:
          return "-"
      result = str(math.floor(np.mean(images_per_second_for_aug)))
      if show_std:
          result += " ± {}".format(
              math.ceil(np.std(images_per_second_for_aug))
          )
      return result
  
imports: from PIL import Image
  import cv2
  import argparse
  import os
  import pkg_resources
  import sys
  import math
  import numpy
  from augbench.constants import DEFAULT_BENCHMARKING_LIBRARIES
  from pytablewriter import MarkdownTableWriter
  from pytablewriter.style import Style
label_desc: Use image node_id 5 for calling a global function with example usage: format_results(images_per_second_for_aug, show_std) and returns: result, str