import numpy as np
from tree.graph import UndirectedGraph
graph_array = np.array(
[
["A", "B", 4],
["A", "C", 5],
["B", "C", 11],
["B", "D", 9],
["B", "E", 7],
["C", "E", 3],
["D", "E", 13],
["D", "F", 2],
["E", "F", 6],
]
)
undirected_graph = UndirectedGraph.from_numpy(graph_array, weighted_graph=True)
for vertex in undirected_graph.vertices:
print(vertex.name)
print(*[(edge.left.name, edge.right.name, edge.weight) for edge in vertex.edges])
print()
print(undirected_graph.get_edge_to("E", "B")[0].weight)
print("Smallest edge", undirected_graph.get_smallest_edge().weight)
print("Adjacent", UndirectedGraph.vertices2name(undirected_graph.get_adjacent_vertices("A")))
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