Testing for an empty dictionary in Python

[Brian Lane]

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John Nagle wrote:
>    What's the cheapest way to test for an empty dictionary in Python?
> 
> 	if len(dict.keys() > 0) :
> 
> is expensive for large dictionaries, and makes loops O(N^2).
> 
> 					John Nagle

if dict:
    ...

:)

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