new_contents: import numpy as np
  
  import tinyik
  
  
  tokens = [
      [.3, .0, .0], 'z', [.3, .0, .0], 'x', [.0, -.5, .0], 'x', [.0, -.5, .0]]
  
  
  def visualize():
      leg = tinyik.Actuator(tokens)
      leg.angles = np.deg2rad([30, 45, -90])
      tinyik.visualize(leg)
  
  
  def visualize_with_target():
      leg = tinyik.Actuator(tokens)
      leg.angles = np.deg2rad([30, 45, -90])
      tinyik.visualize(leg, target=[.8, .0, .8])
  
  
  if __name__ == '__main__':
      visualize()
      visualize_with_target()
  
subject: Add test