code: def cluster_sample7():
      template_clustering(2, SIMPLE_SAMPLES.SAMPLE_SIMPLE7, 10, 3)
  
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 8 for calling a global function with example usage: cluster_sample7() without return types