code: def cluster_sample2():
      template_clustering([3, 12, 20], SIMPLE_SAMPLES.SAMPLE_SIMPLE2)
  
imports: from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
  from pyclustering.cluster import cluster_visualizer
  from pyclustering.cluster.kmedoids import kmedoids
  from pyclustering.utils import read_sample, calculate_distance_matrix
  from pyclustering.utils import timedcall, distance_metric, type_metric
label_desc: Use image node_id 3 for calling a global function with example usage: cluster_sample2() without return types