Adding back examples to basic.py

example_scenes/basic.py

@@ -45,3 +45,43 @@ def construct(self):
             )
         )
         self.wait()
+
+
+class WriteStuff(Scene):
+    def construct(self):
+        example_text = Tex("This is a some text", tex_to_color_map={"text": YELLOW})
+        example_tex = MathTex(
+            "\\sum_{k=1}^\\infty {1 \\over k^2} = {\\pi^2 \\over 6}",
+        )
+        group = VGroup(example_text, example_tex)
+        group.arrange(DOWN)
+        group.set_width(config["frame_width"] - 2 * LARGE_BUFF)
+
+        self.play(Write(example_text))
+        self.play(Write(example_tex))
+        self.wait()
+
+
+class UpdatersExample(Scene):
+    def construct(self):
+        decimal = DecimalNumber(
+            0,
+            show_ellipsis=True,
+            num_decimal_places=3,
+            include_sign=True,
+        )
+        square = Square().to_edge(UP)
+
+        decimal.add_updater(lambda d: d.next_to(square, RIGHT))
+        decimal.add_updater(lambda d: d.set_value(square.get_center()[1]))
+        self.add(square, decimal)
+        self.play(
+            square.to_edge,
+            DOWN,
+            rate_func=there_and_back,
+            run_time=5,
+        )
+        self.wait()
+
+
+# See many more examples at https://manimce.readthedocs.io/en/latest/examples.html