K Jarrod Millman - Complex network analysis with NetworkX PyData Global 2020

import networkx as nx
G = nx.Graph()
G.add_edge('A', 'B', weight=4)
G.add_edge('B', 'D', weight=2)
G.add_edge('A', 'C', weight=3)
G.add_edge('C', 'D', weight=4)
nx.shortest_path(G, 'A', 'D', weight='weight')

['A', 'B', 'D']