### Tell us what’s happening:

I cant include the ‘inf’ to the code, that erro keep going:

You should assign `float('inf')`

to `distances[node]`

inside your new `else`

clause

### 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 node in graph:
unvisited.append(node)
if node == start:
distances[node] = 0
else:
float('inf'(distances[node]))
# User Editable Region
```

### Your browser information:

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### Challenge Information:

Learn Algorithm Design by Building a Shortest Path Algorithm - Step 24