[Tutor] for: how to skip items

[David Palao]

Hi Gabriele,
Without knowing the details of what you are trying, I guess you could
be interested in looking at how to define your own iterators.

Regards

2014-02-17 17:05 GMT+01:00 Gabriele Brambilla <gb.gabrielebrambilla at gmail.com>:
> Hi,
>
> I'm wondering how I can (if I can) make a for loop in which I don't use all
> the elements.
>
> for example
>
> a100 = list(range(100))
>
> for a in a100:
>              print(a)
>
> it print out to me all the numbers from 0 to 99
> But if I want to display only the numbers 0, 9, 19, 29, 39, ...(one every 10
> elements) how can I do it WITHOUT defining a new list (my real case is not
> so simple) and WITHOUT building a list of indexes?
>
> thank you
>
> Gabriele
>
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