Exercises

For each of the following expressions try to predict what the evaluator will return. Then type them in, see what happens and try to explain any differences.

1. (mean (list 1 2 3))
2. (+ (list 1 2 3) 4)
3. (* (list 1 2 3) (list 4 5 6))
4. (+ (list 1 2 3) (list 4 5))