This question is about array lists and linked lists. In the first question part we consider linked lists which are sequences of connected nodes, taken from the class below. class Node: definit__(self, d, n): self data d self.next n The data stored are integers. (a) You are asked to solve the following pointer game. Starting from this initial configuration: 1s1 182 1 2 3 ptr. next ptr2= ptr2.next 4 = 5 6 perform the following sequence of operations and draw the final configuration. 1s1 Node (1,1s1) ptr = ls1 ptr2 = 1s2 while ptr != None: if ptr. data != ptr2. data: ptr2.data else ptr2.data 0 ptr 7 = ptr.data
This question is about array lists and linked lists. In the first question part we consider linked lists which are sequences of connected nodes, taken from the class below. class Node: definit__(self, d, n): self data d self.next n The data stored are integers. (a) You are asked to solve the following pointer game. Starting from this initial configuration: 1s1 182 1 2 3 ptr. next ptr2= ptr2.next 4 = 5 6 perform the following sequence of operations and draw the final configuration. 1s1 Node (1,1s1) ptr = ls1 ptr2 = 1s2 while ptr != None: if ptr. data != ptr2. data: ptr2.data else ptr2.data 0 ptr 7 = ptr.data
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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help me understand this please (this is not exam question, its from online textrbook)

Transcribed Image Text:This question is about array lists and linked lists.
In the first question part we consider linked lists which are sequences of connected nodes,
taken from the class below.
class Node:
def __init__(self, d, n):
self.data = d
self.next = n
The data stored are integers.
(a) You are asked to solve the following pointer game. Starting from this initial configuration:
1s1
182
1
2
3
4
5
6
perform the following sequence of operations and draw the final configuration.
1s1 = Node (1,1s1)
ptr = ls1
ptr2 = 1s2
while ptr != None:
if ptr.data != ptr2.data: ptr2.data
else: ptr2.data
= = 0
ptr = ptr. next
ptr2 = ptr2.next
7
=
ptr.data
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