text: from multiprocessing.sharedctypes import Value
  from manim import *
  
  
  class ValueTrackers(Scene):
      def construct(self):
          
          k = ValueTracker(5)
  
          num =always_redraw(lambda: DecimalNumber().set_value(k.get_value()))
  
          self.play(FadeIn(num))
          self.wait()
          self.play(k.animate.set_value(0),run_time=5,rate_func=smooth)