John Salerno wrote: > [EMAIL PROTECTED] wrote: > >> No. First of all, combining them with the & operator would be >> the asnswer to having all four lamps lit in the same position. >> But you want exactly 3 (in any combination). The correct way >> to combine the switches (using my answer of a[7] b[2] c[5] d[3]) >> is to use the boolean expression I gave you initially: > > Ah, that makes sense. I think I have a handle on it now. Of course, you > did the grunt work of making the hex list, which might not have been so > fun, but now I can work on using it to get the solution. Once I do, I'd > love to compare my answer to yours, because something tells me yours > will be much more elegant. :)
p.s. is there an xor operator in python? -- http://mail.python.org/mailman/listinfo/python-list
