3.3 Python program to generate graph (add vertex ,add edge)from the nodes provided * function for Adding a vertex to the dictionary add_vertex (Vertex) global graph global vertices_no check if Vertex already exist. If it already exist, just show the message that it already exist. if not then create list for it graph[V] = [U · and increment vertices_no *Eucntion Eor Adding an edge between vertex vl and v2 add_edge (v1 , v2) * Check if vertex vi is a valid vertex * Check if vertex v2 is a valid vertex totherwise append (vl to v2) graph [vl].append ( [v2]) * driver code vertices_no - 0 #Create a diccionary graph - {) #call add_vertex to stores the number of vertices in the graph em * Call add_edge (v1, v2) To Add the edges between the vertices Print graph

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Author:James Kurose, Keith Ross
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3.3 Python program to generate graph (add vertex ,add edge)from the
nodes provided
* function for Adding a vertex to the dictionary
add_vertex (Vertex) global graph global vertices_no
check if Vertex already exist. If it already exist, just show the message
that it already exist. if not then create list for it graph [V] - [1
. and increment vertices_no
*Eucntion For Adding an edge between vertex vl and v2 add_edge (v1
• v2)
* Check if vertex vi is a valid vertex
* Check if vertex v2 is a valid vertex
totherwise append (vl to v2) graph [vl1.append ([v21)
* driver code
vertices_no = 0
*Create a dictionary graph - {) #call add_vertex
number of vertices in the graph
* Call add_edge (v1, v2) To Add the edges between the vertices
to stores the
Print graph
Transcribed Image Text:3.3 Python program to generate graph (add vertex ,add edge)from the nodes provided * function for Adding a vertex to the dictionary add_vertex (Vertex) global graph global vertices_no check if Vertex already exist. If it already exist, just show the message that it already exist. if not then create list for it graph [V] - [1 . and increment vertices_no *Eucntion For Adding an edge between vertex vl and v2 add_edge (v1 • v2) * Check if vertex vi is a valid vertex * Check if vertex v2 is a valid vertex totherwise append (vl to v2) graph [vl1.append ([v21) * driver code vertices_no = 0 *Create a dictionary graph - {) #call add_vertex number of vertices in the graph * Call add_edge (v1, v2) To Add the edges between the vertices to stores the Print graph
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