code: def cluster_sample6():
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE6)
  
imports: from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
  from pyclustering.cluster import cluster_visualizer
  from pyclustering.cluster.gmeans import gmeans
  from pyclustering.utils import read_sample
label_desc: Use image node_id 7 for calling a global function with example usage: cluster_sample6() without return types