It is very easy to find this question answered here.
http://ball-pythons.net/forums/showt...31#post2288531
I think I've posted a number of times on this subject but now I'll simply refer you to the thread I posted in.
It is not a dumb question if you are new to this so don't take my lack of explanation here as my impression of your question.
Read the threads, and see what I've and other have said about it.