>
> Consider
>>
>> plot(Graph({1:[2],1:[3]}))
>>
>> I would expect two edges. Instead the vertex 2 isn't even there. Is
>> this a bug or a feature? The documentation for this way of entering graphs
>> is pretty terse so I was quite surprised by this outcome.
>>
>
> Sage never comes into play here. Dictionary literals ("Dictionary
> displays" in official python lingo) are defined to be evaluated
> left-to-right, in order. See
> https://docs.python.org/2/reference/expressions.html#dictionary-displays
>
"This means that you can specify the same key multiple times in the
key/datum list, and the final dictionary’s value for that key will be the
last one given."
Okay, that is very helpful, and something I'm a little surprised I haven't
seen before - I never even checked the dict! Luckily for my actual
application I could just move my filter somewhere else to avoid this issue.
Thanks!
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