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Mon Jan 19 20:29:31 CET 2009 · https://mail.python.org/pipermail/python-dev/2009-January/085194.html

On 1/19/2009 6:51 PM, Terry Reedy wrote:

> The other, posted by Steven Bethard, is that it fundamentally breaks the 
> current semantics of abbreviating (except for iteration variable 
> scoping) an 'equivalent' for loop. 

The proposed syntax would suggest that this should be legal as well:

for i in iterable while cond:
    blahblah

or perhaps:

while cond for i in iterable:
    blahblah

A while-for or for-while loop would be a novel invention, not seen in 
any other language that I know of. I seriously doubt its usefulness 
though...

Sturla Molden

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Showing content from https://mail.python.org/pipermail/python-dev/2009-January/085194.html below:

Add a "while" clause to generator expressions