code: def cluster_simple_sample():
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 3)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 7)
      template_clustering(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 4, density_threshold=2.5
      )
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 8)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 8)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE6, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE7, 4)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE8, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE9, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE10, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE11, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE12, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_SIMPLE13, 7)
      template_clustering(SIMPLE_SAMPLES.SAMPLE_ELONGATE, 7)
  
imports: import os
  from pyclustering.cluster.bang import bang, bang_visualizer, bang_animator
  from pyclustering.utils import draw_image_mask_segments, read_sample, read_image
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
label_desc: Use image node_id 3 for calling a global function with example usage: cluster_simple_sample() without return types