code: def download_all(urls: List[str]) -> None:
      @ray.remote
      def download_one(url: str) -> str:
          return download(url)
  
      children = [download_one.bind(u) for u in urls]
      return process_all.bind(children)
  
file_path: ray/python/ray/workflow/examples/comparisons/cadence/file_processing_workflow.py
imports: from typing import List
  import ray
  from ray import workflow
label_desc: Use image node_id 6 for calling a global function with example usage: download_all(urls) and returns: process_all, download