Suppose, alist is a 2-dimensional list that is defined as follows.   alist = [ [1], [2,3], [5,6,7] ]  Which is the best option to access the last element of the last element of this list (i.e., 7)?   Question options: a. alist[ len(alist) - 1 ][len(alist[len(alist) - 1]) - 1]  b. alist[ len(alist) - 1 ][len(alist[len(alist) - 1])]  c. alist[3][3]  d. alist[ len(alist) - 1 ][1]

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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Suppose, alist is a 2-dimensional list that is defined as follows.

 
alist = [ [1], [2,3], [5,6,7] ] 

Which is the best option to access the last element of the last element of this list (i.e., 7)?

 

Question options:

a.

alist[ len(alist) - 1 ][len(alist[len(alist) - 1]) - 1] 

b.

alist[ len(alist) - 1 ][len(alist[len(alist) - 1])] 

c.

alist[3][3] 

d.

alist[ len(alist) - 1 ][1] 

 

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