Update docs/source/examples/plots_examples.rst

Co-authored-by: Leo Torres <[email protected]>

Author: kolibril13

docs/source/examples/plots_examples.rst

@@ -11,8 +11,7 @@ Examples to illustrate the use of GrapheScenes in Manim
     class Plot1(GraphScene):
         def construct(self):
             self.setup_axes()
-            my_func = lambda x: np.sin(x)
-            func_graph=self.get_graph(my_func)
+            func_graph=self.get_graph(lambda x: np.sin(x))
             self.add(func_graph)
 
 .. manim:: Plot2yLabel
@@ -173,4 +172,4 @@ This is an parametric function
            return np.array((np.sin(2*t), np.sin(3*t),0))
        def construct(self):
            func=ParametricFunction(self.func, t_max=TAU, fill_opacity=0).set_color(RED)
-           self.add(func.scale(3))
+           self.add(func.scale(3))