On 3/30/17, Nick Coghlan <ncogh...@gmail.com> wrote:
> On 30 March 2017 at 19:18, Markus Meskanen <markusmeska...@gmail.com>
> wrote:
>> Hi Pythonistas,
>>
>> yet again today I ended up writing:
>>
>> d = [[0] * 5 for _ in range(10)]
d = [[0]*5]*10 # what about this?
>> And wondered, why don't we have a way to repeat other than looping over
>> range() and using a dummy variable?
>
> Because it's relatively rare to not use the loop variable for anything
> (even if it's just a debug message), and in the cases where you
> genuinely don't use it, a standard idiom can be applied (using a
> single or double underscore as a dummy variable), rather than all
> future users of the language needing to learn a special case syntax.
>
> Cheers,
> Nick.
Simplified repeating could be probably useful in interactive mode.
Just for curiosity - if PEP-501 will be accepted then how many times
could be fnc called in next code?
eval(i'{fnc()}, ' *3)
PL.
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