This is lesson 1.
Before you do an exercise, you should read this. The More... button makes you pause, instead of skipping straight to the exercise.
Here is an exercise.
Exercise
Exercise 1
Deets for Exercise 1
If you were logged in as a student, you could submit a solution to this exercise.
Annnnnotate good times, come on!
This is an annotation, with a custom title.
Here is a pattern.
Word to search for: exogenous.