def _find_one_after_last_labeled_index(self):
        body_index = 0
        while self.bodies[body_index].segment_id in self.state.body_labels:
            body_index += 1
        return body_index
def playcolors():
  while 1:
    global clearcolor
    clearcolor = [np.random.random(),0,0,0]
    time.sleep(0.1)
    refresh()