fromdashimportDash,dcc,html,Input,Output,no_update,callback,ctximportplotly.expressaspxfig=px.scatter(x=[1,2,3],y=[1,2,1],text=["A","B","C"])fig.update_traces(hoverinfo="none",hovertemplate=None,marker=dict(size=40))fig.update_traces(textfont_color="white")app=Dash(__name__)app.layout=html.Div(    [html.H3("Tooltip button callback output"),html.Div("No tooltip button clicked yet",id="out"),dcc.Graph(id="graph",figure=fig,clear_on_unhover=True),dcc.Tooltip(id="tooltip",targetable=True,children=html.Button(id="hover-click",children="Click me!"),        ),    ],style={"margin":"20px"},)# adapted from https://dash.plotly.com/dash-core-components/tooltip#styling-tooltip-with-background-and-border-color@callback(Output("tooltip","show"),Output("tooltip","bbox"),Input("graph","hoverData"),Input("hover-click","n_clicks"),)defupdate_tooltip_content(hoverData,clicks):# close the tooltip when the button is clickedifctx.triggered_id=="hover-click":returnFalse,no_update# keep the tooltip open if we move away from the point, until we hover over another pointifhoverDataisNone:returnno_update,no_updatept=hoverData["points"][0]bbox=pt["bbox"]returnTrue,bbox@callback(Output("out","children"),Input("hover-click","n_clicks"),prevent_initial_call=True,)defsave_changes(clicks):returnf"Button has been clicked{clicks} times!"if__name__=="__main__":app.run(debug=True)