code: def get_network_acls(vpc, **conn):
      
      route_tables = describe_network_acls(Filters=[{"Name": "vpc-id", "Values": [vpc["id"]]}], **conn)
  
      nacl_ids = []
      for r in route_tables:
          nacl_ids.append(r["NetworkAclId"])
  
      return nacl_ids
docs: Gets the VPC Network ACLs