complete brain fart, it doesn't loop
Martin S
shieldfire at gmail.com
Sun Jul 27 15:17:32 EDT 2014
Ah, thanks. Explains it all :)
/martin
On 27 Jul 2014, Peter Otten <__peter__ at web.de> wrote:
>Chris Angelico wrote:
>
>> On Mon, Jul 28, 2014 at 3:53 AM, Martin S <shieldfire at gmail.com>
>wrote:
>>> I have this snippet in my web application. Question is why doesn't
>the
>>> stupid thing loop ten times? It loops exactly 1 time.
>>>
>>> # Reset counter
>>> counter = 0
>>>
>>> while counter <= 10:
>>>
>>> return "<p>Long line with games</p>"
>>>
>>> counter=counter+1
>>
>> When you hit the 'return', it stops the function immediately :)
>
>By the way, Python has something similar to a function that temporarily
>
>interrupts execution but preserves state. It's called generator.
>Compare:
>
>>>> def f():
>... for i in range(3):
>... return "<p>Long line with games</p>"
>...
>>>> f()
>'<p>Long line with games</p>'
>>>> def g():
>... for i in range(3):
>... yield "<p>Long line with games</p>"
>...
>>>> g()
><generator object g at 0x7fe9b3e7b690>
>>>> list(g())
>['<p>Long line with games</p>', '<p>Long line with games</p>', '<p>Long
>line
>with games</p>']
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