[Tutor] Simple text file processing using fileinput module."Grabbing successive lines" failure

[Flynn, Stephen (L & P - IT)]

Hi Peter,

> As you already learned the csv module is the best tool to address your
> problem.

Yup - it's almost going to make my little coding exercise trivial. :)

> However, I'd like to show a generic way to get an extra item in a for-
> loop.

[snip]

> Here's a self-contained example:
> 
> >>> items = "alpha- beta gamma- delta- epsilon zeta".split()
> >>> it = iter(items)
> >>> for item in it:
> ...     while item.endswith("-"):
> ...             item += next(it)
> ...     print item
> ...
> alpha-beta
> gamma-delta-epsilon
> zeta

Perfect - that's essentially what I was trying to do, but I doubt it
would have occurred to me to create my own iterator and make use of it.

Thanks for this example too - nice and easy to understand.

Steve.


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