code: def get(self, extras=None):
      stats = collections.OrderedDict()
      if extras:
          for k, v in extras.items():
              stats[k] = v
      for k, v in self.smoothed_losses_and_metrics.items():
          stats[k] = round(v.get_median_value(), 6)
  
      return stats
  
file_path: PaddleOCR/ppocr/utils/stats.py
imports: import collections
  import numpy
  import datetime
label_desc: Use image node_id 3 for calling the TrainingStats obj's underlying member method code with example usage: obj.get(extras) and returns: stats