code: def get_image_id(image_name):
      image_id = int(image_name.split(".")[0].split("_")[-1])
      return image_id
  
file_path: mmf/tools/scripts/features/extract_resnet152_feat.py
imports: import argparse
  import os
  from glob import glob
  import numpy
  import torch
  import torch.nn
  import torchvision.models
  import torchvision.transforms
  from mmf.common.constants import IMAGE_COLOR_MEAN, IMAGE_COLOR_STD
  from PIL import Image
  from torch.autograd import Variable
label_desc: Use image node_id 2 for calling a global function with example usage: get_image_id(image_name) and returns: image_id