code: def __str__(self):
      data = {
          "subscription_id": self.subscription_id,
          "resource_group": self.resource_group,
          "region": self.region,
      }
      return str(data)
  
file_path: hail/gear/gear/cloud_config.py
imports: import json
  import os
  from typing import Dict, Set
label_desc: Use image node_id 3 for calling the AzureConfig obj's underlying member method code with example usage: obj.__str__() and returns: str