To get elements which are in temp1
but not in temp2
:
In [5]: list(set(temp1) - set(temp2))
Out[5]: ['Four', 'Three']
Beware that it is asymmetric :
In [5]: set([1, 2]) - set([2, 3])
Out[5]: set([1])
where you might expect/want it to equal set([1, 3])
. If you do want set([1, 3])
as your answer, you can use set([1, 2]).symmetric_difference(set([2, 3]))
.