[Python-Dev] Adding start to enumerate()

[Brett Cannon]

On Sun, May 11, 2008 at 6:23 PM, Scott Dial
<scott+python-dev at scottdial.com> wrote:
> Brett Cannon wrote:
>>
>> Taking a new argument that has a default shouldn't be an issue. +1
>> from me. I assume it is just going to start the count at that number,
>> not advance the iterable to that point, right?
>
> I wonder if it would be best for it to be a keyword-only argument. So
> many of the utility functions on iterables are foo(*iterables) that I
> might be inclined to think enumerate(foo, bar) is equivalent to
> enumerate(chain(foo, bar)), but enumerate(foo, start=bar) is pretty
> obvious. And if you consider that the enumeration is prepended to the
> values of foo, enumerate(foo, bar) is "backwards." Just saying..
>

Sure, making it 'start' or something and having it be keyword-only makes sense.

-Brett