code: def cluster_wing_nut():
      start_medians = [[-1.5, 1.5], [1.5, 1.5]]
      template_clustering(start_medians, FCPS_SAMPLES.SAMPLE_WING_NUT)
  
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 11 for calling a global function with example usage: cluster_wing_nut() without return types