Three Hundred - Forty-Two Commit: Implement weighted-undirected-graph-demo

Author: AAdewunmi

Section_12(Graphs)/weighted-undirected-graph-demo.py

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+from graph import Graph
+# Undirected Weighted Graph Demo
+G = Graph(4)
+G.display_adjacent_matrix()
+print('Vertices:', G.vertex_count())
+print('Edges:', G.edge_count())
+G.insert_edge(0, 1, 26)
+G.insert_edge(0, 2, 16)
+G.insert_edge(1, 0, 26)
+G.insert_edge(1, 2, 12)
+G.insert_edge(2, 0, 16)
+G.insert_edge(2, 1, 12)
+G.insert_edge(2, 3, 8)
+G.insert_edge(3, 2, 8)
+G.display_adjacent_matrix()
+print('Vertices:', G.vertex_count())
+print('Edges:', G.edge_count())
+G.edges_print()
+print('Edge between 1-3', G.exist_edge(1, 3))
+print('Edge between 1-2', G.exist_edge(1, 2))
+print('Degree', G.indegree(2))
+G.remove_edge(1,2)
+print('Edge between 1-2', G.exist_edge(1, 2))