code: def shuffle_data_random(self):
      if self.do_shuffle:
          random.seed(self.seed)
          random.shuffle(self.data_lines)
      return
  
file_path: PaddleOCR/ppocr/data/pgnet_dataset.py
imports: import numpy
  import os
  from paddle.io import Dataset
  from .imaug import transform, create_operators
  import random
label_desc: Use image node_id 2 for calling the PGDataSet obj's underlying member method code with example usage: obj.shuffle_data_random() without return types