code: def __init__(self, data_total, data_sampler):
      self.data_total = data_total
      self.data_sampler = data_sampler
      self.total = 0
  
imports: import os
  import ctypes
  import numpy
label_desc: Use image node_id 1 to create a new TestDataSampler object from inherited base classes: object with example: obj = TestDataSampler(data_total, data_sampler)