code: def product_version_to_resource(product: str, version: str) -> str:
      return f"{product}/{version}"
  
file_path: hail/batch/batch/driver/billing_manager.py
imports: import abc
  import logging
  from dataclasses import dataclass
  from typing import Dict, List, Optional
  from gear import Database, transaction
  from .pricing import Price
label_desc: Use image node_id 1 for calling a global function with example usage: product_version_to_resource(product, version) and returns: product, str, version