### Select Multiples Function in Scheme**Objective:**Develop a function named `select-multiples` that processes an integer and a list of integers, utilizing `fold` (or `reduce`) to generate a list containing elements that are multiples of the given integer.### Requirements:- **Use of `fold` or `reduce`:** - Primarily employ `fold` or `reduce` for the task. - Minimal processing can occur outside the `fold` call.- **Library Requirements:** - Employ the built-in `fold` method by incorporating `(require 'list-lib)`, or alternatively, craft a custom implementation. - The `select` function is not permitted.### Parameters:The built-in `fold` function requires parameters in the format: `action partial-result lst`.### Multiplicity Check:Determine if a number (`num`) is a multiple of another (`value`) by verifying if `(mod num value)` equals `0`.### Examples:1. `(my-select 5 '(5))` should return `(5)`.2. `(my-select 3 '(7 9))` should return `()`.3. `(my-select 5 '(1 15 25))` should return `(15 25)`.4. `(my-select 2 '())` should return `()`.

In the select-multiples function, we use fold to iterate through the list of integers lst. For each…

Write a function named select-multiples value 1st in Scheme that takes an integer and a list of integers and uses fold (or reduce) to return list of elements that are multiples of value. You must use either fold or reduce to do the vast majority of the work. (You may do a little pre- and post- processing outside the call to fold.) You may use the built-in fold method by adding the line (require 'list-lib), or you can use your own implementation. You may not use the built-in select function. The built-in fold function has parameters in this order: action partial-result lst. You can detect whether num is a multiple of value by checking whether (mod num value) is 0. For example, (my-select 5 (5)) should return (5) ● (my-select 3 '(7 9)) should return () • (my-select 5 '(1 15 25)) should return (15 25) (my-select 2 '()) should return () ●

Write a function named select-multiples value 1st in Scheme that takes an integer and a list of integers and uses fold (or reduce) to return list of elements that are multiples of value. You must use either fold or reduce to do the vast majority of the work. (You may do a little pre- and post- processing outside the call to fold.) You may use the built-in fold method by adding the line (require 'list-lib), or you can use your own implementation. You may not use the built-in select function. The built-in fold function has parameters in this order: action partial-result lst. You can detect whether num is a multiple of value by checking whether (mod num value) is 0. For example, (my-select 5 (5)) should return (5) ● (my-select 3 '(7 9)) should return () • (my-select 5 '(1 15 25)) should return (15 25) (my-select 2 '()) should return () ●

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

### Select Multiples Function in Scheme

**Objective:**
Develop a function named `select-multiples` that processes an integer and a list of integers, utilizing `fold` (or `reduce`) to generate a list containing elements that are multiples of the given integer.

### Requirements:
- **Use of `fold` or `reduce`:**
- Primarily employ `fold` or `reduce` for the task.
- Minimal processing can occur outside the `fold` call.
- **Library Requirements:**
- Employ the built-in `fold` method by incorporating `(require 'list-lib)`, or alternatively, craft a custom implementation.
- The `select` function is not permitted.

### Parameters:
The built-in `fold` function requires parameters in the format: `action partial-result lst`.

### Multiplicity Check:
Determine if a number (`num`) is a multiple of another (`value`) by verifying if `(mod num value)` equals `0`.

### Examples:

1. `(my-select 5 '(5))` should return `(5)`.
2. `(my-select 3 '(7 9))` should return `()`.
3. `(my-select 5 '(1 15 25))` should return `(15 25)`.
4. `(my-select 2 '())` should return `()`.

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