code: def __len__(self):
      return len(self.data_list)
  
file_path: PaddleOCR/benchmark/PaddleOCR_DBNet/base/base_dataset.py
imports: import copy
  from paddle.io import Dataset
  from data_loader.modules import *
label_desc: Use image node_id 6 for calling the BaseDataSet obj's underlying member method code with example usage: obj.__len__() and returns: len