code: def list_keyvaults_sub(access_token, subscription_id):
      '''Lists key vaults belonging to this subscription.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
  
      Returns:
          HTTP response. 200 OK.
      '''
      endpoint = ''.join([get_rm_endpoint(),
                          '/subscriptions/', subscription_id,
                          '/providers/Microsoft.KeyVault/vaults',
                          '?api-version=', KEYVAULT_API])
      return do_get_next(endpoint, access_tokenf list_keyvaults_sub(access_token, subscription_id):
      '''Lists key vaults belonging to this subscription.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
  
      Returns:
          HTTP response. 200 OK.
      '''
      endpoint = ''.join([get_rm_endpoint(),
                          '/subscriptions/', subscription_id,
                          '/providers/Microsoft.KeyVault/vaults',
                          '?api-version=', KEYVAULT_API])
      return do_get_next(endpoint, access_token)
docs: Lists key vaults belonging to this subscription.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
  
      Returns:
          HTTP response. 200 OK.