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Groups > comp.lang.python > #35857
| Newsgroups | comp.lang.python |
|---|---|
| Date | 2012-12-31 14:02 -0800 |
| References | <db8edd31-78f2-4e8c-a6bd-37e1e83ff2ee@googlegroups.com> <mailman.1497.1356956797.29569.python-list@python.org> |
| Subject | Re: Question about nested loop |
| From | Isaac Won <winefrog@gmail.com> |
| Message-ID | <mailman.1498.1356991376.29569.python-list@python.org> (permalink) |
On Monday, December 31, 2012 5:25:16 AM UTC-6, Gisle Vanem wrote: > "Isaac Won" <winefrog@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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Question about nested loop Isaac Won <winefrog@gmail.com> - 2012-12-31 02:02 -0800
Re: Question about nested loop Gisle Vanem <gvanem@broadpark.no> - 2012-12-31 12:25 +0100
Re: Question about nested loop Isaac Won <winefrog@gmail.com> - 2012-12-31 14:02 -0800
Re: Question about nested loop Isaac Won <winefrog@gmail.com> - 2012-12-31 14:02 -0800
Re: Question about nested loop Hans Mulder <hansmu@xs4all.nl> - 2012-12-31 13:59 +0100
Re: Question about nested loop Isaac Won <winefrog@gmail.com> - 2012-12-31 14:11 -0800
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