class_docstr: Class for loading data.
docstr: Get the idx'th batch from the dataset.
docstr_tok: ["Get","the","idx'th","batch","from","the","dataset","."]
code: def get_batch(self, idx):
      """Get the idx'th batch from the dataset."""
      assert idx >= 0, "idx must be non negative"
      assert (
          idx < self.num_batches
      ), "idx must be less than the number of batches"
      start_idx = idx * self.batch_size
      indices = list(range(start_idx, start_idx + self.batch_size))
      return self._get_batch_from_indices(indices)
  
imports: import random
  import numpy
label_desc: Use image node_id 9 for calling the DataLoader obj's underlying member method code with example usage: obj.get_batch(idx) and returns: self