nx tutorial script

2023-round-2/Ytemiloluwa/nx_tutorial_script.py

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+import networkx as nx
+import matplotlib.pyplot as plt
+
+# Create a DiGraph graph object
+DG = nx.DiGraph()
+
+# Adding nodes of multiple types (int, str, tuple)
+DG.add_nodes_from([2, 'nodeA', (1, 1), 3, 'nodeB', (2, 2), 4, 'nodeC', (3, 3), 5])
+
+# Adding multiple edges between nodes
+edges = [(2, 'nodeA'), ('nodeA', (1, 1)), (3, 'nodeB'), ('nodeB', (2, 2)), (4, 'nodeC'), ('nodeC', (3, 3)), (5, 2), (5, 'nodeC')]
+DG.add_edges_from(edges)
+
+# Finding the shortest path between all pairs of nodes in this graph.
+shortestPath = dict(nx.all_pairs_shortest_path(DG))
+for source, path in shortestPath.items():
+    for destination, path in path.items():
+        print("Shortest path from", source, "to ", destination, "is -> ", path)
+
+# Plotting the graph using networkx.draw
+pos = nx.spring_layout(DG)
+nx.draw(DG, pos, with_labels=True, node_size=500)
+plt.title("A DiGraph")
+plt.show()
+