Michael J. Fromberger wrote: > # Not legal Python code. > def fact3(n, acc = 1): > TOP: > if n > 0 > n = n - 1 > acc = acc * n > goto TOP > else: > return acc
Yes, to write this in legal Python code, you have to write:: from goto import goto, label # http://entrian.com/goto/ def fact3(n, acc = 1): label .TOP if n > 0 n = n - 1 acc = acc * n goto .TOP else: return acc ;-) STeVe > > Naturally, of course, Python does not provide a "goto" statement. But > it does have one that's similar: > > while TEST: BODY > > is equivalent in meaning to the pseudo-code: > > X: if TEST: > BODY > goto X > > Can you now see how you would re-write "fact3" into legal Python code, > using this equivalence? Once you have done so, you will also be able to > get rid of the extra accumulating parameter, and then you will have what > you wanted. > > I hope this helps. > > Cheers, > -M > -- http://mail.python.org/mailman/listinfo/python-list
