[37]Animation's rate_func

    def graph_rate_func2(self):
        axes = Axes(
            x_axis_config={
                "unit_size": 2,
            }
        )

        funcs = [smooth,linear,rush_into,rush_from,
                 slow_into,double_smooth,there_and_back,there_and_back_with_pause,
                 running_start,wiggle, lingering,exponential_decay,
                 ]
        func_names = ['smooth','linear','rush_into','rush_from',
                      'slow_into','double_smooth','there_and_back','there_and_back_with_pause',
                      'running_start','wiggle', 'lingering','exponential_decay',
                      ]

        def get_obj(name, func):
            graph = axes.get_graph(func, x_min=0, x_max=1, color=YELLOW)
            rect = SurroundingRectangle(graph, color=WHITE)
            text = Text(name, size=0.25, stroke_width=0).next_to(graph,UP,buff=0.3)
            return VGroup(graph,rect,text)

        group = VGroup(*[get_obj(name,func) for name, func in zip(func_names, funcs)])     
        group.arrange_in_grid(4, 3)

        self.add(group)
        self.wait()