Why I think range is a wart.
Fredrik Lundh
fredrik at pythonware.com
Thu Mar 14 03:08:35 EST 2002
Daniel Dittmar wrote:
> # if whatever contains only refs to mylist [index]
> for element in mylist:
> <whatever>
>
> # if you really need the index
> def listIndices (list):
> return range (len (list))
>
> for index in listIndices (mylist):
> <whatever>
note that
index = 0
for item in mylist:
<whatever>
index += 1
is faster than
for index in range(len(mylist)):
item = mylist[index]
<whatever>
> # my favourite
> for index, element in IndexAndElement (mylist):
> <whatever>
you might prefer that one, but it's perfectly possible that your
users might be a bit happier if you used the += variant...
</F>
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