code: def get_subnets(vpc, **conn):
      
      subnets = describe_subnets(Filters=[{"Name": "vpc-id", "Values": [vpc["id"]]}], **conn)
  
      s_ids = []
      for s in subnets:
          s_ids.append(s["SubnetId"])
  
      return s_ids
docs: Gets the VPC Subnets