24. Perception

Exercise #	Status	Markdown
1	Unanswered	`Question`
2	Unanswered	`Question`
3	Unanswered	`Question`
4	Unanswered	`Question`
5	Unanswered	`Question`
6	Unanswered	`Question`
7	Unanswered	`Question`
8	Unanswered	`Question`