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Subject: Re: Check if dictionary empty with == {}
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Xref: csiph.com comp.lang.python:95499

On 2015-08-20 00:15, Skip Montanaro wrote:
> Comparison against {} will be less efficient. You need to create a
> dictionary every time instead of just checking the length of your
> dictionary, which is likely stored in the header. So, it will work, but
> certainly isn't idiomatic Python.
>
Well, that depends on the intention.

Is it checking whether the dictionary is empty, or whether it's an
empty dictionary (and not, say, an empty list)?