code: def cluster_tetra():
      template_clustering(4, FCPS_SAMPLES.SAMPLE_TETRA, 2, 2)
  
imports: from pyclustering.cluster.clarans import clarans
  from pyclustering.utils import read_sample
  from pyclustering.utils import draw_clusters
  from pyclustering.utils import timedcall
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
label_desc: Use image node_id 17 for calling a global function with example usage: cluster_tetra() without return types