list index()

[Ben Finney]

zzbbaadd at aol.com writes:

> On Aug 30, 12:09 am, Ben Finney <bignose+hates-s... at benfinney.id.au>
> wrote:
> > It's letting you know that the item isn't in the list. There's no
> > sensible return value from an "index" function in that condition.
> 
> for str:
> find(  	sub[, start[, end]])
> [...]
> Return -1 if sub is not found.
> 
> -1 is used in other languages as well.

It is no more sensible there than in the 'str.find' method, which is a
historical wart.

-- 
 \     "Hey Homer! You're late for English!"  "Pff! English, who needs |
  `\       that? I'm never going to England!"  -- Barney & Homer, _The |
_o__)                                                        Simpsons_ |
Ben Finney