* Exercise is not completed.

- Exercise 2.1 Looping a triangle
- Exercise 2.2 FizzBuzz
- * Exercise 2.3 Chess board

- Exercise 3.1 Minimum
- * Exercise 3.2 Recursion
- * Exercise 3.3 Bean counting

- * Exercise 4.1 The sum of a range
- * Exercise 4.2 Reversing and array
- * Exercise 4.3 A list
- * Exercise 4.4 Deep comparison

- Exercise 5.1 Flattening
- * Exercise 5.2 Mother-child age difference
- * Exercise 5.3 Historical life expectancy
- * Exercise 5.4 Every and then some