code: def natural_key(string_):
      """See http://www.codinghorror.com/blog/archives/001018.html"""
      return [
          int(s) if s.isdigit() else s
          for s in re.split(r"(\d+)", string_.lower())
      ]
  
file_path: gen-efficientnet-pytorch/data/dataset.py
imports: import torch.utils.data
  import os
  import re
  import torch
  from PIL import Image
label_desc: Use image node_id 1 for calling a global function with example usage: natural_key(string_) and returns: unknown