# Exercise 2.26 of SICP

Exercise 2.26: Suppose we define x and y to be two lists:

(define x (list 1 2 3))
(define y (list 4 5 6))


What result is printed by the interpreter in response to evaluating each of the following expressions:

(append x y)

(1 2 3 4 5 6)

(cons x y)

((1 2 3) 4 5 6)

(list x y)

((1 2 3) (4 5 6))