Using LearnPack is not rocket science, everything has been designed intuitively and with the user experience in mind. Within LearnPack, also, in the Get help section, you have an option to learn how to use it: LearnPack tour Let's take the tour together.
This is the use of each feedback button:
This button will allow you to reset the exercise to its original state so you can try it in a different way or in case you lost some important code that was at the beginning.
With this button, you can open a sidebar that contains information about the tutorial, and in case it is of type isolated, you can go to any exercise.
And this is the sidebar
Within the sidebar, you can also find a button at the end to report a bug in case you find one, or if you have any suggestions you would like to share.