Exercise 2.26 · 习题

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)

练习 2.26：假设我们将 x 和 y 定义为两个表：

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

对下列各表达式求值时，解释器分别打印什么结果：

(append x y)
(cons x y)
(list x y)