...

/

Solution: Find the Shortest Path in a Small Town

Solution: Find the Shortest Path in a Small Town

Follow step-by-step instructions to calculate the shortest path using Dijkstra's algorithm in Python.

We'll cover the following...

The solution to the exercise

To solve the problem, we complete the lines calling Dijkstra's algorithm:

Press + to interact
# Create the graph
G = nx.DiGraph()
G.add_weighted_edges_from([
('A', 'B', 5),
('A', 'C', 3),
('B', 'D', 2),
('C', 'D', 4),
('C', 'E', 6),
('D', 'E', 1),
('D', 'F', 3),
('E', 'G', 5),
('F', 'G', 2),
('G', 'H', 4),
('G', 'I', 7),
('H', 'I', 2),
('I', 'J', 1),
])
# Find the shortest path using Dijkstra's algorithm
shortest_path = nx.dijkstra_path(G, 'A', 'J')
shortest_path_length = nx.dijkstra_path_length(G, 'A', 'J')
print(f"Shortest path: {' -> '.join(shortest_path)}")
print(f"Total distance: {shortest_path_length}")
def test(N=[]):
return shortest_path
  • Line 2: We ...