code: def get_num_examples_from_cache(cache_path):
      cache_metadata_path = os.path.join(cache_path, "data_args.p")
      return torch.load(cache_metadata_path)["length"]
  
file_path: jiant/jiant/proj/main/scripts/configurator.py
imports: import math
  import os
  import torch
  import jiant.utils.zconf
  import jiant.utils.python.io
  import jiant.utils.python.datastructures
label_desc: Use image node_id 1 for calling a global function with example usage: get_num_examples_from_cache(cache_path) and returns: torch