Tell us what’s happening:
I have read the free code camp adding to dict in python, and followed that syntax. I have read the other forum posts too which seem to suggest the syntax is distances[node] = 0. Where am I going wrong here?
Your code so far
my_graph = {
'A': [('B', 3), ('D', 1)],
'B': [('A', 3), ('C', 4)],
'C': [('B', 4), ('D', 7)],
'D': [('A', 1), ('C', 7)]
}
# User Editable Region
def shortest_path(graph, start):
unvisited = []
distances = {}
for unvisited in graph:
unvisited.append(node)
if node == start:
distances[node] = 0
# User Editable Region
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Challenge Information:
Learn Algorithm Design by Building a Shortest Path Algorithm - Step 28