Using namedtuples field names for column indices in a list of lists
python at deborahswanson.net
Mon Jan 9 16:56:04 EST 2017
Tim Chase wrote, on January 09, 2017 6:22 AM
> On 2017-01-08 22:58, Deborah Swanson wrote:
> > 1) I have a section that loops through the sorted data, compares two
> > adjacent rows at a time, and marks one of them for deletion if the
> > rows are identical.
> > and my question is whether there's a way to work with two adjacent
> > rows without using subscripts?
> I usually wrap the iterable in something like
> def pairwise(it):
> prev = next(it)
> for thing in it:
> yield prev, thing
> prev = thing
> for prev, cur in pairwise(records):
> compare(prev, cur)
> which I find makes it more readable.
This looks very useful, and comparing two adjacent rows is something I
do often. Thanks Tim!
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