[Tutor] apply help (newbie)

[Sean 'Shaleh' Perry]

On 15-Dec-2001 Sean 'Shaleh' Perry wrote:
>>>> def call(func, *args):
> ...     print type(*args)
> ...     apply(func, args)
> ... 
>>>> def foo(a,b,c):
> ...     print a, b, c
> ... 
>>>> call(foo, 1, 2, 3)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
>   File "<stdin>", line 2, in call
> TypeError: type() takes exactly 1 argument (3 given)
> 
> *args is python magic for 'expand me in place'.
> 


>>> def call(func, *args, **kwargs):
...     print len(args)
...     print len(kwargs)
...     apply(func, args, kwargs)
... 
>>> call(foo, a=1, c=3, b=2)
0
3
1 2 3

Just wanted to show you the keyword args syntax while we were discussing nifty
ways to call functions.