code: def testClusterAllocationSampleSimple1EuclideanSquare(self):
      metric = distance_metric(type_metric.EUCLIDEAN_SQUARE)
      KmediansTestTemplates.templateLengthProcessData(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE1,
          [[3.7, 5.5], [6.7, 7.5]],
          [5, 5],
          False,
          metric=metric,
      )
  
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 3 for calling the KmediansUnitTest obj's underlying member method code with example usage: obj.testClusterAllocationSampleSimple1EuclideanSquare() without return types