udemyでもData Visualisation with Plotly and Pythonというplotlyのコースがある。
----- I visualized a usage of rakuten card for this four years. But I did not show the amount.
Though I can make bar cahrts with matplotlib and seaborn, plotly has hover feature and mouse cursor on the graph shows the values of the graph and so on. I can switch display and hide by clicking the legend. The following link shows how to make basic bar charts.