how to find unique sublist in list in python

1In [22]: lst = [[1,2,3],[1,2],[1,2,3],[2,3],[4,5],[2,3],[2,4],[4,2]]
2
3In [23]: set(frozenset(item) for item in lst)
4Out[23]: 
5set([frozenset([2, 4]),
6     frozenset([1, 2]),
7     frozenset([2, 3]),
8     frozenset([1, 2, 3]),
9     frozenset([4, 5])])

1set(tuple(sorted(i)) for i in lst)