code: def main():
      """Run K-means on the Poincare ball and the sphere."""
      kmean_poincare_ball()
  
      plots = kmean_hypersphere()
  
      plots.show()
  
file_path: geomstats/examples/plot_kmeans_manifolds.py
imports: import logging
  import os
  import matplotlib.pyplot
  import geomstats.backend
  import geomstats.visualization
  from geomstats.geometry.hypersphere import Hypersphere
  from geomstats.geometry.poincare_ball import PoincareBall
  from geomstats.learning.kmeans import RiemannianKMeans
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types