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. > > -tkc This looks very useful, and comparing two adjacent rows is something I do often. Thanks Tim! Deborah -- https://mail.python.org/mailman/listinfo/python-list
