Specify start and length, beside start and end, in slices

[Noam Raphael]

Grant Edwards wrote:
> On 2004-05-21, Noam Raphael <noamr at correctme.users.sourcephorge.net> wrote:
> 
> 
>>Many times I find myself asking for a slice of a specific length, and 
>>writing something like l[12345:12345+10].
> 
> 
> [...]
> 
> 
>>Wouldn't it be nice if the Python grammar had supported this frequent 
>>use? My idea is that the expression above might be expressed as 
>>l[12345:>10].
> 
> 
> It's a bit less efficient, but you can currently spell that as
> 
> l[12345:][:10]
> 
That is true, but if the list is long, it's *much* less efficient.

Thanks for your comment,
Noam