text: from manim import *
  
  class s10b_Wake_Up_Tello_Activity(Scene):
  
  	def construct(self):
  
  		# Actors.
  		title     = Text("Wake up, Tello!")
  		subtitle  = Text("(Activity)").scale(0.75)
  
  		# Positioning.
  		title.shift(0.50*UP)
  		subtitle.next_to(title, DOWN)
  
  		# Animations.
  
  		actors = [title, subtitle]
  
  		for actor in actors:
  			self.play(Write(actor))
  			self.wait(1)
  
  		# Cleanup.
  		self.wait(3-1)
  		self.play(*[FadeOut(actor) for actor in actors])
  
  