code: def custom_label_mapping(classes, class_to_idx, ranges):
      mapping = {}
      for class_name, idx in class_to_idx.items():
          for new_idx, range_set in enumerate(ranges):
              if idx in range_set:
                  mapping[class_name] = new_idx
  
      filtered_classes = list(mapping.keys()).sort()
      return filtered_classes, mapping
  
imports: import torch
  import shutil
  import dill
  import os
  from subprocess import Popen, PIPE
  import pandas
  from PIL import Image
  from .None import constants
label_desc: Use image node_id 7 for calling a global function with example usage: custom_label_mapping(classes, class_to_idx, ranges) and returns: filtered_classes,  mapping