Question about nested loop
Isaac Won
winefrog at gmail.com
Mon Dec 31 17:02:52 EST 2012
On Monday, December 31, 2012 5:25:16 AM UTC-6, Gisle Vanem wrote:
> "Isaac Won" <winefrog at gmail.com> wrote:
>
>
>
> > while c < 10:
>
> > c = c + 1
>
> >
>
> > for columns in ( raw.strip().split() for raw in f ):
>
> >
>
> >
>
> > b.append(columns[c])
>
> >
>
> > y = np.array(b, float)
>
> > print c, y
>
> >
>
> >
>
> > I thought that can get the arrays of the columns[5] to [10],
>
> > but I only could get repetition of same arrays of columns[5].
>
>
>
> I don't pretend to know list comprehension very well, but
>
> 'c' isn't incremented in the inner loop ( .. for raw in f).
>
> Hence you only append to columns[5].
>
>
>
> Maybe you could use another 'd' indexer inside the inner-loop?
>
> But there must a more elegant way to solve your issue. (I'm a
>
> PyCommer myself).
>
>
>
> --gv
Thank you for your advice.
I agree with you and tried to increment in inner loop, but still not very succesful. Anyway many thanks for you.
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