No....I don't think it should be done.
!.) Your snake can easily be stressed out no matter how long hes been fine with another cage mate.
2.) You dont have to worry about BOTh your snakes constracting a sickness. I.E. Ri's....IBD....etc etc.
3.)You don't have to move the snakes out when you feed them.
Many more factors but those are important enough to say.