On Tue, Jan 13, 2009 at 6:32 AM, Mr Gerard Kelly <s4027...@student.uq.edu.au> wrote:
> My only other question is, does there exist a convenient way to unpack a > collection of variable length? > > If you know that there are 3 elements in the collection, you can specify: > > play_for(waves(chord[0],chord[1],chord[2]),500) > > But then if you want to change the number of elements in the list > "chord", say from 3 to 5, you have to change the code accordingly. Is > there some sort of way to instruct the code to unpack its elements for > any number of elements? > > Like > i=len(chord) > play_for(waves(chord[0],chord[1],...,chord[i-1]),500) Presuming that waves() is defined to take an arbitrary number of arguments, e.g. def waves(*args) you can use play_for(waves(*chord), 500) to call it with a variable number of arguments. Kent _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
