[EMAIL PROTECTED] wrote: > John Salerno wrote: > > John Salerno wrote: > > > > > Anyway, any advice for how to proceed would be great! I hope I described > > > it well enough. > > > > Ok, after reading the suggestions, I feel better about proceeding. But > > one question: how exactly do I come up with 32 different 20-bit integers > > for each switch? > > Eight numbers for each switch, 32 total.
Should be: Eight numbers for each panel, 32 total. > > Make a list for each panel and in each list, put in eight binary > numbers using the position in the list to represent the switch number. > So we'll want to label our switches 0-7. > > > Do I need to figure out the bits for each one manually? > > Yes, you get them from your diagram showing which lamps are > lit for each switch. > > > And how is this written in Python? Using hex? > > That's one way to do it. I did it that way because I have the > hex patterns memorized. > > I have already gone to the trouble of converting all your patterns to > hex numbers, if you're interested. If you want to do it yourself, > simply ignore this. > > a = [0xf5fdc,0xf6edb,0xbddb7,0x6fddd,0xeb7ed,0xb977f,0xbfed3,0xedef5] > b = [0xddb7d,0xfaddb,0xde75f,0xeef7a,0xdd77b,0xdfbce,0xb77dd,0x7ef5d] > c = [0xf37bd,0xdfaee,0xddd6f,0xddfb6,0xb9efb,0xb7bbe,0xecfbd,0xb75df] > d = [0x77edb,0xbb7ee,0xdf773,0x7bdeb,0x7ddaf,0xdeeeb,0xfb35f,0xbb7dd] > > Now since the panels are now lists, we use an index representing > the switch to retrieve the lamps lit by that switch. > > Refering to my original boolean equation, replace A1 by a[0], > B1 by b[0], etc. to evaluate that set of switches. > > Once you see that a[0],b[0],c[0],d[0] is not a solution, try a > different set of switches. Repeat until you find a set that works. > There is, in fact a solution, but I won't reveal it unless you ask. > > If you need help in figuring out how to walk through all 4096 possible > switch sets, just ask. -- http://mail.python.org/mailman/listinfo/python-list