2008/7/25 Suresh Pillai <[EMAIL PROTECTED]>: > ...
> I naturally started coding with (2), but couldn't decide on the best data > structure for python. A set seemed ideal for speedy removal, but then I > can't iterate through them with out popping. An ordered list? Some > creative solution with numpy arrays? > > ... Maybe I am missing something, but I'm not sure, where is the problem with non-destructive iterating over a set, e.g.: >>> my_set = set([1,2,3,4,5]) >>> my_set set([1, 2, 3, 4, 5]) >>> for item in my_set: print item, ... 1 2 3 4 5 >>> my_set set([1, 2, 3, 4, 5]) >>> my_set -= set([2,4]) >>> my_set set([1, 3, 5]) >>> Of course, the suitability for your application would depend on other factors too. vbr
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