Accumulator

Dog happiness

Body: 

Find average dog happiness, and the happiest and saddest dogs.

(If you were logged in as a student, you could submit an exercise solution, and get some feedback.)

Total-high-low

Body: 

Write a program to find the total, highest value, and lowest value of a data set.

(If you were logged in as a student, you could submit an exercise solution, and get some feedback.)