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Showing content from https://mail.python.org/pipermail/python-dev/2001-February/012629.html below:

[Python-Dev] re: Sets BOF / for in dict

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On Sun, 4 Feb 2001, Greg Wilson wrote:
> Question: would the current proposal allow NumPy arrays (just as an
> example) to support both:
> 
>     for index:value in numPyArray:
> 
> where 'index' would get tuples like '(0, 3, 2)' for a 3D array, *and*
> 
>     for (i, j, k):value in numPyArray:

Naturally.  Anything that could normally be bound on the left
side of an assignment (or current for loop) could go in the
spot on either side of the colon.


-- ?!ng

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