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Consider the following two variable bindings in Lisp: (setq x ‘(a b c d)) (setq y ‘(4 3 2 1)) Using only the variables x and y and the functions car, cdr and cons, provide Lisp S-expressions for generating the following: (d c b a) (4 c (b 2)) ((a b c d) . 1) (((a c) (1 2)) . a) ((a 1) (b 2) (c 3) (d 4))

Consider the following two variable bindings in Lisp: (setq x ‘(a b c d)) (setq y ‘(4 3 2 1)) Using only the variables x and y and the functions car, cdr and cons, provide Lisp S-expressions for generating the following: (d c b a) (4 c (b 2)) ((a b c d) . 1) (((a c) (1 2)) . a) ((a 1) (b 2) (c 3) (d 4))

Database System Concepts
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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  1. Consider the following two variable bindings in Lisp:

(setq x ‘(a b c d))

(setq y ‘(4 3 2 1))

Using only the variables x and y and the functions car, cdr and cons, provide Lisp S-expressions for generating the following:

  1. (d c b a)
  2. (4 c (b 2))
  3. ((a b c d) . 1)
  4. (((a c) (1 2)) . a)
  5. ((a 1) (b 2) (c 3) (d 4)) 
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