On 1/5/2013 1:58 PM, Dave Angel wrote:

If you're trying to make a faster loop, then I suggest you look into set
differences.  Turn both lists into sets, and subtract them.   Something
like (untested):

    result =  not bool( set(lst1) - set(lst2) )

This does not return False as soon as an item in set1 is found that is not in set2.

set(lst1) < set(lst2)

will, and directly return False/True. The OP is trying to compute the lst1 < lst2, where lst1 and lst2 are interpreted as sets, rather than as sequences with the lexicographic ordering default.

--
Terry Jan Reedy

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