code: def cluster_elongate():
      template_clustering(SIMPLE_SAMPLES.SAMPLE_ELONGATE, 1, 2, 0.5)
  
imports: from pyclustering.cluster.rock import rock
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.samples.definitions import FCPS_SAMPLES
  from pyclustering.utils import read_sample
  from pyclustering.utils import draw_clusters
  from pyclustering.utils import timedcall
label_desc: Use image node_id 7 for calling a global function with example usage: cluster_elongate() without return types