code: def cluster_engy_time():
      start_medians = [[0.5, 0.5], [2.3, 2.9]]
      template_clustering(start_medians, FCPS_SAMPLES.SAMPLE_ENGY_TIME)
  
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 15 for calling a global function with example usage: cluster_engy_time() without return types