On Wed, 25 Jan 2006 15:50:27 -0600, [EMAIL PROTECTED] wrote: > > >> If they need to resume their calculations from where they left off > >> after the last yield. > > Wolfgang> Well, no, independently from that. > > Wolfgang> Just to avoid to inital overhead of the function call. > >How do you pass in parameters? Consider: > > def square(x): > return x*x > >vs > > def square(x) > while True: > yield x*x > >How do you get another value of x into the generator? > > >>> def square(x): > ... while True: > ... yield x*x > ... > >>> g = square(2) > >>> g > <generator object at 0x3b9d28> > >>> g.next() > 4 > >>> g.next() > 4 > >>> g.next(3) > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > TypeError: expected 0 arguments, got 1 > >>> def square(xbox): ... while True: yield xbox[0]*xbox[0] ... >>> xbox = [3] >>> g = square(xbox) >>> g.next() 9 >>> xbox[0]=4 >>> g.next() 16 >>> [g.next() for xbox[0] in xrange(10)] [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
One way to answer your question literally, whatever it may do to your gag reflex ;-) Regards, Bengt Richter -- http://mail.python.org/mailman/listinfo/python-list
