text: from manimlib.imports import *
  
  
  class Introduction(TeacherStudentsScene):
  
      CONFIG = {
          "default_pi_creature_kwargs": {
              "color": MAROON_E,
              "flip_at_start": True,
          },
      }
  
      def construct(self):
          self.show_series()
          self.show_examples()
  
      def show_series(self):
          series = VideoSeries(num_videos=11)
          series.to_edge(UP)
          this_video = series[0]
          this_video.set_color(YELLOW)
          this_video.save_state()
          this_video.set_fill(opacity=0)
          this_video.center()
          this_video.set_height(FRAME_HEIGHT)
          self.this_video = this_video
  
          words = TextMobject(
              "Welcome to \\\\",
              "Essence of Probability"
          )
          words.set_color_by_tex("Essence of Probability", YELLOW)
  
          self.teacher.change_mode("happy")
          self.play(
              FadeIn(
                  series,
                  lag_ratio=0.5,
                  run_time=2
              ),
              Blink(self.get_teacher())
          )
          self.teacher_says(words, target_mode="hooray")
          self.change_student_modes(
              *["hooray"]*3,
              look_at_arg=series[1].get_left(),
              added_anims=[
                  ApplyMethod(this_video.restore, run_time=3),
              ]
          )
          self.play(*[
              ApplyMethod(
                  video.shift, 0.5*video.get_height()*DOWN,
                  run_time=3,
                  rate_func=squish_rate_func(
                      there_and_back, alpha, alpha+0.3
                  )
              )
              for video, alpha in zip(series, np.linspace(0, 0.7, len(series)))
          ]+[
              Animation(self.teacher.bubble),
              Animation(self.teacher.bubble.content),
          ])
  
          self.play(
              FadeOut(self.teacher.bubble),
              FadeOut(self.teacher.bubble.content),
              self.get_teacher().change_mode, "raise_right_hand",
              *[
                  ApplyMethod(pi.change_mode, "pondering")
                  for pi in self.get_students()
              ]
          )
          self.wait()
  
          self.series = series
  
      def show_examples(self):
  
          self.wait(10)
          # put examples here in video editor
  