SICP Exercise 2.26

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)

(cons x y)

(list x y)
SOLUTION
The code and tests are here.

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