code: def query_200_epoch(
      self, arch_id: str, dataset, epoch_num: int = 199
  ):
      if epoch_num is None or epoch_num > 199:
          epoch_num = 199
      arch_id = str(arch_id)
      t_acc = self.data201[arch_id]["200"][dataset][str(epoch_num)][
          "test_accuracy"
      ]
      time_usage = self.data201[arch_id]["200"][dataset][
          str(epoch_num)
      ]["time_usage"]
      return t_acc, time_usage
  
imports: import os
  import random
  from src.common.constant import Config
  from src.tools.io_tools import read_json, write_json
  from src.query_api.singleton import Singleton
  from src.tools.io_tools import read_pickle
  from src.tools.compute import generate_global_rank
label_desc: Use image node_id 7 for calling the Gt201 obj's underlying member method code with example usage: obj.query_200_epoch(arch_id, dataset, epoch_num) and returns: t_acc,  time_usage