Amit Khemka wrote:
> Hello, Is there a *direct* way of doing set operations on lists which
> preserve the order of the input lists ?
Nope
> For Ex. l1 = [1, 5, 3, 2, 4, 7]
> l2 = [3, 5, 10]
>
> and (l1 intersect l2) returns [5, 3] .... (and (l2 intersect l1)
> returns [3, 5])
However:
intersection = set(list1) & set(list2)
[element for element in list1 if element in intersection]
or
[element for element in list2 if element in intersection]
Give you the result you'd like.
--Scott David Daniels
[EMAIL PROTECTED]
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