code: def get_coco_ground_truth(args):
      val_annotate = os.path.join(
          args.data, "annotations/instances_val2017.json"
      )
      cocoGt = COCO(annotation_file=val_annotate)
      return cocoGt
  
file_path: DALI/docs/examples/use_cases/pytorch/single_stage_detector/src/data.py
imports: import os
  import numpy
  import torch
  from torch.utils.data import DataLoader
  from src.utils import dboxes300_coco, COCODetection, SSDTransformer
  from src.coco import COCO
  from src.coco_pipeline import create_coco_pipeline
  from nvidia.dali.plugin.pytorch import DALIGenericIterator, LastBatchPolicy
label_desc: Use image node_id 8 for calling a global function with example usage: get_coco_ground_truth(args) and returns: cocoGt