Timestamps:
(00:00) Welcome
(00:23) Reshama introduces Data Umbrella
(03:45) Reshama introduces Gordon Shotwell
(04:21) Gordon Shotwell begins.
(04:29) The motivation to develop Shiny for Python.
(06:05) The main strength of both the R and python library
(06:56) What Gordon Shotwell will build during his presentation. 
(07:25) Shiny documentation website. 
(08:01) QuickStart for R users showing differences between the R and Python libraries.  
(08:44) All the function reference in Shiny.
(09:08) Demo starts.
(09:50) Virtual environment.  
(10:36) How to start shiny app in the terminal
(11:15) Install shiny extension in VS Code which makes it easier to preview the web app.
(11:36) How the output function works on the preview app to execute.  
(12:22) Penguin dataset description for the demo.
(12:45) Modules/submodules shiny app is built on. 
(13.04) How to add a sidebar layout (sidebar, panel sidebar and panel main)
(13.43) How to read in the data and the output functions.
(14:31) How to define some server logic. 
(14:59) The conventional shiny rule. 
(16:30) Use of slide input.
(17:50) Where the reactive magic comes in. 
(19:30) Important note on what can really slow down your shiny app. 
(20:14) Importance of Python data copy method when using external dataset.
(21:01) Important note to avoid dependency inside the render function. 
(21:30) Q&A.
(29:35) Adding a plot to the output. The UI sides.
(30:12) Adding a plot to the output. The render sides.
(32:16) The core principle of reactivity in which you do not want to repeat yourself.
(33:26) Reactivate calculation concept which allows you to store intermediate values in one place.
(37:24) Q&A
(38:53) Reactive calculations and rendering functions.
(39:30) Side-effects or user effect. Another class of interactions. 
(41:18) How to tell reactive effect what it should respond to or what events to watch before executing.  
(41:53) How to update the data filter in the side-effect function. 
(42:22) The second important pattern for shiny. 
(43:00) One of the important things to pay attention to once you start learning/using shiny. 
(44:45) Series of Q&A until the end of the video. Some response includes live demo.
(1:01:03) Gordon Shotwell ends his presentation.
(1:01:17) Reshama closes the session.