Unrolling of actual parameters from list

[Padraig at Linux.ie]

Roberto Cavada wrote:
> Hi there,
>  consider this class definition:
> 
> class Foo:
>   def __init__(self, a, b):
>     # do something
>     return
>   pass # end of class
> 
> Suppose now you want to create a Foo instance by passing a *list* of 
> actual parameters:
> 
> l = [10,20]
> foo = Foo(l)  # this - as you can guess - does not work
> 
> Is there a way to do that?

foo = Foo(*l)

http://www.python.org/doc/current/ref/calls.html

Pádraig.