Kindly answer the attached question using python and without using any of its libraries

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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Kindly answer the attached question using python and without using any of its libraries

Exercise # 2: Mother Vertex
Find a Mother vertex in a graph. Mother vertex in a graph G = (V, E) is a vertex v
such that all other vertices in G can be reached by a path from v.
Input
Adjacency list of the graph shown below
In this graph the mother vertex is- '5'circled red) as we can
reach any node from -'5' through a directed path
To reach 0-
5->6->0
To reach 1-
5->6->0->1
To reach 2-
5->2
To reach 3-
5->6->0->1->3
To reach 4-
5->6->4
To reach 6-
5->6
Output
[5]
Input
Adjacency list representation of a graph shown below
3
2
4
Output
[0, 1, 2]
Transcribed Image Text:Exercise # 2: Mother Vertex Find a Mother vertex in a graph. Mother vertex in a graph G = (V, E) is a vertex v such that all other vertices in G can be reached by a path from v. Input Adjacency list of the graph shown below In this graph the mother vertex is- '5'circled red) as we can reach any node from -'5' through a directed path To reach 0- 5->6->0 To reach 1- 5->6->0->1 To reach 2- 5->2 To reach 3- 5->6->0->1->3 To reach 4- 5->6->4 To reach 6- 5->6 Output [5] Input Adjacency list representation of a graph shown below 3 2 4 Output [0, 1, 2]
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