3.Consider the following Scheme program:(define (mystery W)(cond( (number? w) '())( (number? (car W)) (cdr W))(else (cons (mystery (car W)) (cdr W)))Note that number? is a built-in predicate that returns true if its argument is a number andfalse otherwise.What does the above Scheme fumetion x do? | 13 Ja a3 %判断品孤小是否为动发字a.b.What is the result of the following calls:(mystery (9 8 (2 4) (4 5))))(mystery (( (5 3) (8)) (4)))

ANSWER: A construction in PC writing computer programs is the association or design for an…

Answered: Consider the following Scheme program:…

Consider the following Scheme program: (define (mystery W) (cond ( (number? W) '()) ( (number? (car W)) (cdr W)) (else (cons (mystery (car W)) (cdr W))) ))

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

3.
Consider the following Scheme program:
(define (mystery W)
(cond
( (number? w) '())
( (number? (car W)) (cdr W))
(else (cons (mystery (car W)) (cdr W)))
Note that number? is a built-in predicate that returns true if its argument is a number and
false otherwise.
What does the above Scheme fumetion x do? | 13 Ja a3 %
判断品孤小是否为动发字
a.
b.
What is the result of the following calls:
(mystery (9 8 (2 4) (4 5))))
(mystery (( (5 3) (8)) (4)))

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