passing a variable argument list to a function

Christian Heimes lists at cheimes.de
Wed Aug 13 02:35:17 CEST 2008


Scott wrote:
> I suspect there's a simple bit of syntax that I'm missing -- can
> anyone give me a hand?

Yeah. It's so easy and obvious that you are going to bang your head 
against the wall. :) The single star does not only collect all arguments 
in a function definition. It also expands a sequence as arguments.

def egg(*args):
     spam(*args)

somefunc(*(a, b, c)) is equivalent to somefunc(a, b, c).

Double star (**) does the same with keyword arguments

Christian




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