### List Transformation in Programming#### Problem StatementA code segment is intended to transform the list `utensils` so that the last element of the list is moved to the beginning of the list.For example, if `utensils` initially contains `["fork", "spoon", "tongs", "spatula", "whisk"]`, it should contain `["whisk", "fork", "spoon", "tongs", "spatula"]` after executing the code segment.Which of the following code segments transforms the list as intended?#### Code Options**Option A:**```plaintextlen ← LENGTH(utensils)temp ← utensils[len]REMOVE(utensils, len)APPEND(utensils, temp)```**Option B:**```plaintextlen ← LENGTH(utensils)REMOVE(utensils, len)temp ← utensils[len]APPEND(utensils, temp)```**Option C:**```plaintextlen ← LENGTH(utensils)temp ← utensils[len]REMOVE(utensils, len)INSERT(utensils, 1, temp)```**Option D:**```plaintextlen ← LENGTH(utensils)REMOVE(utensils, len)temp ← utensils[len]INSERT(utensils, 1, temp)```#### Explanation and AnalysisThe goal is to take the last element of the list and move it to the beginning. To correctly achieve this:1. Determine the length of the list.2. Temporarily store the last element of the list.3. Remove the last element from the list.4. Insert the stored element at the beginning of the list.Let's analyze the options:**Option A Analysis:**1. `len ← LENGTH(utensils)` - This correctly assigns `len` the length of the list.2. `temp ← utensils[len]` - This attempts to access an element that is out of the index range (should be `utensils[len-1]`).3. `REMOVE(utensils, len)` - Removes an element that is out of the index range.4. `APPEND(utensils, temp)` - Appends the potentially invalid element to the end of the list.**Option B Analysis:**1. `len ← LENGTH(utensils)` - Correct.2. `

A code segment is intended to transform the list utensils so thất thế last élement öf the list is moved For example, if utensils initially contains ["fork", "spoon", "tongs", "spatula", "whisk"], it should contain ["whisk", "fork", "spoon", "tongs", "spatula"] after executing the code segment. Which of the following code segments transforms the list as intended?

A code segment is intended to transform the list utensils so thất thế last élement öf the list is moved For example, if utensils initially contains ["fork", "spoon", "tongs", "spatula", "whisk"], it should contain ["whisk", "fork", "spoon", "tongs", "spatula"] after executing the code segment. Which of the following code segments transforms the list as intended?

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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