code: def __init__(self, filename):
      self._filename = filename
  
      open(self._filename, "a+")
  
imports: import hashlib
  import json
  import os
  import shutil
  import sys
  import numpy
  from sklearn.model_selection import ParameterSampler
  from spotlight.datasets.movielens import get_movielens_dataset
  from spotlight.cross_validation import user_based_train_test_split
  from spotlight.sequence.implicit import ImplicitSequenceModel
  from spotlight.sequence.representations import CNNNet
  from spotlight.evaluation import sequence_mrr_score
label_desc: Use image node_id 1 to create a new Results object  with example: obj = Results(filename)