code: def format_duration(self, d):
      s = round(d.total_seconds())
      d = s // 86400
      s %= 86400
      h = s // 3600
      s %= 3600
      m = s // 60
      s %= 60
  
      if d > 0:
          return f"{d:d}d {h:02d}h {m:02d}m {s:02d}s"
      return f"{h:02d}h {m:02d}m {s:02d}s"
  
imports: import collections
  import hashlib
  import os
  import random
  import threading
  import warnings
  from datetime import datetime
  import numpy
  from keras_tuner import backend
  from keras_tuner import utils
  from keras_tuner.api_export import keras_tuner_export
  from keras_tuner.engine import hyperparameters
  from keras_tuner.engine import objective
  from keras_tuner.engine import stateful
  from keras_tuner.engine import trial
label_desc: Use image node_id 8 for calling the Display obj's underlying member method code with example usage: obj.format_duration(d) and returns: h, str, m, str, s, str, d, str, h, str, m, str, s, str