convert list of tuples into several lists

[Stephen Thorne]

On Fri, 11 Feb 2005 07:35:43 +0100, Pierre Quentel
<quentel.pierre at wanadoo.fr> wrote:
> Steven Bethard a écrit :
> > Cappy2112 wrote:
> >
> >> What does the leading * do?
> >
> >
> > Tells Python to use the following iterable as the (remainder of the)
> > argument list:
> >
> 
> Could someone explain why this doesn't work :
> 
> Python 2.3.2 (#49, Oct  2 2003, 20:02:00) [MSC v.1200 32 bit (Intel)] on
> win32
> Type "help", "copyright", "credits" or "license" for more information.
>  >>> def f(*args,**kw):
> ...     print args, kw
> ...
>  >>> f(*[1,2])
> (1, 2) {}
>  >>> f(*[1,2],x=1)
>    File "<stdin>", line 1
>      f(*[1,2],x=1)
>               ^
> SyntaxError: invalid syntax

the * and ** must occur at the end.

f(x=1, *[1,2]) is valid.

Stephen.