code: def handle_batch(batches: List[List[int]]):
      for numbers_list in batches:
          app.numbers_list.append(sum(numbers_list))
  
file_path: cortex/test/apis/batch/sum/app/main.py
imports: import os
  import boto3
  import json
  import re
  from typing import List
  from fastapi import FastAPI, status
  from fastapi.responses import PlainTextResponse
label_desc: Use image node_id 3 for calling a global function with example usage: handle_batch(batches) without return types