>>> A = [1,2,3,4,5,6,7,8] >>> B = A[-3:] >>> B [6, 7, 8] >>> C = [x for x in A if x % 2 == 0] >>> C [2, 4, 6, 8] >>> D = [ x for x in A if x not in C] >>> D [1, 3, 5, 7] >>>