The Dash Callback - Input, Output, State, and more

The Callback is the most important element in Dash. You need to know it so you can create interactive dashboard apps. In this tutorial I'll show you how to use the callback to connect between the various components of your app, such as the dropdown, the graph, and the pie chart. View my book - The Book of Dash: Code: Callback Data: Dash Documentation: Supporting Document: Video layout: 00:00 - What you will learn 02:37 - Start coding 04:29 - Single Input and Output 11:35 - State, PreventUpdate 17:03 - Multiple Output and Inp