code: def average_speed(self):
      return sum(self.epochs_speeds) / len(self.epochs_speeds)
  
imports: import os
  import sys
  import time
  from argparse import ArgumentParser
  import math
  import numpy
  import time
  import torch
  from torch.optim.lr_scheduler import MultiStepLR
  import torch.utils.data.distributed
  from src.model import model, Loss
  from src.utils import dboxes300_coco, Encoder
  from src.evaluate import evaluate
  from src.train import train_loop, tencent_trick
  from src.data import *
label_desc: Use image node_id 5 for calling the Logger obj's underlying member method code with example usage: obj.average_speed() and returns: unknown