added corrected sounds and added polynomial of 3rd degree and added d…

…iscrete elliptic charts

zkmarek/video/slides/e4/polynomials.py

@@ -88,6 +88,7 @@ def construct(self):
             self.point.append(DotOnCurve(self.chart.ax, "", a)) 
         self.z = FieldElement(1, 5)
 
+
     def animate_in(self, scene):
         self.new_subsection(scene, "intro", "data/sound/e4/slide1-0.mp3")
         scene.play(Write(self.title_label), run_time=2)