[portland] Two Indices, One For Loop?

[Rich Shepard]

On Mon, 21 Apr 2008, Matt McCredie wrote:

> It's not clear to me what labelList and itemList look like. I'm assuming
> something like this:
>
> labelList = ["label_0","label_1","label_2","label_3","label_4","label_5","label_6","label_7","label_8","label_9","label_10","label_11"]
> itemList = [
>    [ row0_item0, row0_item1, row0_item2, row0_item3, row0_item4,
> row0_item5, row0_item6, row0_item7, row0_item8, row0_item9,
> row0_item10, row0_item11,],
>    [ row1_item0, row1_item1, ...],
>    ....
>    ]
>
> If that is the case, you can do something like this:

   That's the case, Matt.

> for row in itemList:
>  for label, item in zip(labelList, row):
>     write(label)
>     write(item)
>  write("\n")

   That's essentially the same as regular nested for loops. Does it have
specific advantages?

Many thanks,

Rich

-- 
Richard B. Shepard, Ph.D.               |  Integrity            Credibility
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