code: def download(url: str) -> str:
      return "contents" * 10000
  
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 1 for calling a global function with example usage: download(url) and returns: unknown