how to mutate a tuple?
andrew-pythonlist at puzzling.org
Tue Oct 14 15:28:24 CEST 2003
On Tue, Oct 14, 2003 at 03:22:47PM +0200, Carlo v. Dango wrote:
> Hello there. I have a function which as an argument takes a tuple and
> either returns that tuple or a mutated version of it. The problem is that
> tuples are imutable, hence I have to create a new tuple and copy the
> content of the old tuple to a new one.
> But how do I do this if I only at runtime know the size of the tuple? I
> wish I could pass around lists instead.. that would be so much easier, but
> I'm passing "*args" and "**kwargs" around so I'm not really the one
> deciding the use of tuples or lists ;)
You could always just convert it to a list, and mutate that, e.g.:
mutable = list(your_tuple)
new_tuple = tuple(mutable)
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