[Python-il] elegant non contiguous slice
sagivmalihi at gmail.com
Thu Dec 30 11:45:05 IST 2010
In case you're actually using an array of numbers, and not a general list,
you can use numpy to do it 'the matlab way':
>>> import numpy
>>> arr = numpy.array([1,2,3,4,5,6])
array([1, 2, 3, 4, 5, 6])
array([1, 6, 6])
On Thu, Dec 30, 2010 at 12:55 AM, Rani Hod <rani.hod at gmail.com> wrote:
> Unlike Perl, Python is based upon the principle of having exactly one
>> way to do each thing.
>> List comprehension (the [arr[x] for x in [1,6,9] ] method) is one way to
>> accomplish the goal, and it is reasonably parsimonious. Therefore, it
>> is very unlikely to have another method of accomplishing the same.
> There is another method, but I wouldn't call it elegant.
> It ought to be more efficient, though.
> map(arr.__getitem__, (1,6,9))
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> Python-il at hamakor.org.il
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