Question

Write a program using DrRacket: is a member of a list. (Can you explain everything) code...

Write a program using DrRacket:

is a member of a list.

(Can you explain everything) code must be designed from the scratches no library functions

(member 1 '(2 3 4 1 5)) => true

(member 1 '(2 3 4 (1) 5)) => false

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Answer #1

#lang racket
(define (member l lis)
(if (for/or ([i lis])
    (equal? i l)) (display "true") (display "false"))
)
(member 1 '(1,2,3,4,5))

If you have any doubts please comment and please don't dislike.

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