code: def cluster_sample1():
      start_medians = [[3.7, 5.5], [6.7, 7.5]]
      template_clustering(start_medians, SIMPLE_SAMPLES.SAMPLE_SIMPLE1)
  
imports: from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
  from pyclustering.cluster import cluster_visualizer
  from pyclustering.cluster.kmedians import kmedians
  from pyclustering.utils import draw_clusters
  from pyclustering.utils import read_sample
  from pyclustering.utils import timedcall
label_desc: Use image node_id 2 for calling a global function with example usage: cluster_sample1() without return types