code: def test_backward_inf_multiple_variables_with_evidence(self):
      query_result = self.dbn_inference_2.backward_inference(
          [("X", 0), ("X", 1)], {("Y", 0): 0, ("Y", 1): 1, ("Y", 2): 1}
      )
      np_test.assert_array_almost_equal(
          query_result[("X", 0)].values, np.array([0.677533, 0.322467])
      )
      np_test.assert_array_almost_equal(
          query_result[("X", 1)].values,
          np.array([0.7621772, 0.2378228]),
      )
  
file_path: pgmpy/pgmpy/tests/test_inference/test_dbn_inference.py
imports: import unittest
  import numpy
  import numpy.testing
  from scipy.special import softmax
  from pgmpy.inference import DBNInference
  from pgmpy.models import DynamicBayesianNetwork
  from pgmpy.factors.discrete import TabularCPD
label_desc: Use image node_id 9 for calling the TestDBNInference obj's underlying member method code with example usage: obj.test_backward_inf_multiple_variables_with_evidence() without return types