Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

(15 pts) Write a Scheme function called goodList? that inputs a list and returns #t if the list (1) has at least 2 elements and

image text in transcribed
(15 pts) Write a Scheme function called goodList? that inputs a list and returns #t if the list (1) has at least 2 elements and its first and last element are equal or (2) the list has at least 2 elements and its first two elements are equal. Otherwise the function returns #f [Hint: Use ( last Ist) to get the last element in a list named Ist. ] [Hint: Use cond] Examples: (goodList? '(a bcb c d a)) => #t (goodList? '(33 5 6 7)) => #t (goodList? '( 46 7 4 5)) => #f (goodList? (3) ) => #f (goodList? 'O) => #f (15 pts) Write a Scheme function called goodList? that inputs a list and returns #t if the list (1) has at least 2 elements and its first and last element are equal or (2) the list has at least 2 elements and its first two elements are equal. Otherwise the function returns #f [Hint: Use ( last Ist) to get the last element in a list named Ist. ] [Hint: Use cond] Examples: (goodList? '(a bcb c d a)) => #t (goodList? '(33 5 6 7)) => #t (goodList? '( 46 7 4 5)) => #f (goodList? (3) ) => #f (goodList? 'O) => #f

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Data Infrastructure For Medical Research In Databases

Authors: Thomas Heinis ,Anastasia Ailamaki

1st Edition

1680833480, 978-1680833485

Students also viewed these Databases questions

Question

Write a summary of chapter 2 Project Management Book of Knowledge.

Answered: 1 week ago