Create Find and Replace features in Tkinter Text Widget

Visualize Graphs in Python

Last Updated : 17 May, 2022

Prerequisites: Graph Data Structure And Algorithms

A Graph is a non-linear data structure consisting of nodes and edges. The nodes are sometimes also referred to as vertices and the edges are lines or arcs that connect any two nodes in the graph.

In this tutorial we are going to visualize undirected Graphs in Python with the help of networkx library.

Installation:

To install this module type the below command in the terminal.

pip install networkx

Below is the implementation.

# First networkx library is imported  
# along with matplotlib 
import networkx as nx 
import matplotlib.pyplot as plt 
   
  
# Defining a Class 
class GraphVisualization: 
   
    def __init__(self): 
          
        # visual is a list which stores all  
        # the set of edges that constitutes a 
        # graph 
        self.visual = [] 
          
    # addEdge function inputs the vertices of an 
    # edge and appends it to the visual list 
    def addEdge(self, a, b): 
        temp = [a, b] 
        self.visual.append(temp) 
          
    # In visualize function G is an object of 
    # class Graph given by networkx G.add_edges_from(visual) 
    # creates a graph with a given list 
    # nx.draw_networkx(G) - plots the graph 
    # plt.show() - displays the graph 
    def visualize(self): 
        G = nx.Graph() 
        G.add_edges_from(self.visual) 
        nx.draw_networkx(G) 
        plt.show() 
  
# Driver code 
G = GraphVisualization() 
G.addEdge(0, 2) 
G.addEdge(1, 2) 
G.addEdge(1, 3) 
G.addEdge(5, 3) 
G.addEdge(3, 4) 
G.addEdge(1, 0) 
G.visualize() 

Output:

Create Find and Replace features in Tkinter Text Widget

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