Now teachers can include live code demo in OneNote https://www.microsoft.com/en-us/microsoft-365/blog/2016/09/07/now-teachers-can-include-live-code-demo-in-onenote/
Microsoft 365 Blog
Now teachers can include live code demo in OneNote - Microsoft 365 Blog
Calling all teachers! We made teaching programming in your classroom easier with OneNote embed executable code snippets by Repl.it.