code: def __init__(self, l):
      self.l = l
  
imports: import numpy
  from assertpy import assert_that
  from numpy.random import shuffle
  from torch.utils.data import Dataset
  import logging
  import os
  from assertpy import assert_that
  from tempfile import NamedTemporaryFile
  from multiprocessing import cpu_count
  from ffcv.writer import DatasetWriter
  from ffcv.reader import Reader
  from ffcv.fields import IntField, FloatField, BytesField
label_desc: Use image node_id 1 to create a new DummyDatasetWithData object from inherited base classes: Dataset with example: obj = DummyDatasetWithData(l)