code: def get_worker_subs(json_string):
      """
      Gets the AWS worker IDs from the annotation file in output folder.
  
      Returns a list of the AWS worker subs
      """
      subs = []
      # json.loads() works on JSON strings, json.load() is for JSON files
      job_data = json.loads(json_string)
      for i in range(len(job_data["answers"])):
          subs.append(
              job_data["answers"][i]["workerMetadata"]["identityData"][
                  "sub"
              ]
          )
      return subs
  
imports: import json
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: get_worker_subs(json_string) and returns: subs