code: def test_denormalize_normalize_bbox(bbox):
      denormalized_bbox = denormalize_bbox(bbox, 200, 400)
      normalized_bbox = normalize_bbox(denormalized_bbox, 200, 400)
      assert normalized_bbox == bbox
  
imports: import numpy
  import pytest
  from albumentations import Crop, RandomCrop, RandomResizedCrop, RandomSizedCrop, Rotate
  from albumentations.core.bbox_utils import calculate_bbox_area, convert_bbox_from_albumentations, convert_bbox_to_albumentations, convert_bboxes_to_albumentations, denormalize_bbox, denormalize_bboxes, normalize_bbox, normalize_bboxes
  from albumentations.core.composition import BboxParams, Compose, ReplayCompose
  from albumentations.core.transforms_interface import NoOp
label_desc: Use image node_id 4 for calling a global function with example usage: test_denormalize_normalize_bbox(bbox) without return types