code: def cluster_tetra():
      template_clustering(4, FCPS_SAMPLES.SAMPLE_TETRA)
  
imports: from pyclustering.utils import read_sample
  from pyclustering.utils import timedcall
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.samples.definitions import FCPS_SAMPLES
  from pyclustering.cluster import cluster_visualizer
  from pyclustering.cluster.cure import cure
label_desc: Use image node_id 15 for calling a global function with example usage: cluster_tetra() without return types