Here is how the built-in sum function can be combined with Python’s comprehension syntax to compute the sum of all numbers in an n x n data set, represented as a list of lists: sum(sum(subset) for subset in data) Group of answer choices True False   2. Which of the following statements are correct? Group of answer choices a) A stack is a collection of objects that are inserted and removed according to the Last-in First-out principle; whereas, queue is based on the First-in First-out principle. b) A queue would be a logical choice for a data structure for a Web server responding to requests. c) Unlike arrays, linked list elements are not stored at a contiguous location; the elements are linked using pointers

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
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1. Here is how the built-in sum function can be combined with Python’s comprehension syntax to compute the sum of all numbers in an n x n data set, represented as a list of lists:

sum(sum(subset) for subset in data)
Group of answer choices
True
False
 

2. Which of the following statements are correct?

Group of answer choices
a) A stack is a collection of objects that are inserted and removed according to the Last-in First-out principle; whereas, queue is based on the First-in First-out principle.
b) A queue would be a logical choice for a data structure for a Web server responding to requests.
c) Unlike arrays, linked list elements are not stored at a contiguous location; the elements are linked using pointers.
 
 
 
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