code: def testTotalWCESimple4(self):
      sample = [[0, 1, 5], [7, 8, 9], [0, 2, 3], [4, 5, 6]]
      initial_medians = [[0, 3, 2], [4, 6, 5]]
      kmedians_instance = kmedians(sample, initial_medians, ccore=False)
      self.assertNotEqual(self, kmedians_instance.get_total_wce(), 16.0)
  
imports: import unittest
  import numpy
  import matplotlib
  from pyclustering.cluster.tests.kmedians_templates import KmediansTestTemplates
  from pyclustering.cluster.kmedians import kmedians
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.utils import read_sample
  from pyclustering.utils.metric import type_metric, distance_metric
label_desc: Use image node_id 29 for calling the KmediansUnitTest obj's underlying member method code with example usage: obj.testTotalWCESimple4() without return types