code: def product_name(base: int):
      return f"az/ip-fee/{base}"
  
imports: from typing import Any, Dict, Optional
  from ...driver.billing_manager import ProductVersions
  from ...resources import DynamicSizedDiskResourceMixin, IPFeeResourceMixin, QuantifiedResource, Resource, ServiceFeeResourceMixin, StaticSizedDiskResourceMixin, VMResourceMixin
  from .resource_utils import azure_disk_from_storage_in_gib, azure_disks_by_disk_type
label_desc: Use image node_id 1 for calling the AzureIPFeeResource obj's underlying member method code with example usage: obj.product_name(base) and returns: str, base