Re: **kwargs?

Michael Hoffman wrote:

>Peter Hansen wrote:
>
>
>>Francois De Serres wrote:
>>
>>
>>
>
>
>
>>>*args is documented in the Tutorial. I reckon **kwargs represents a
>>>dictionary of arguments. But I don't quite get the semantics of **x.
>>>Undefined length tuple of undefined length tuples? Are there other
>>>practical use cases for ** (common enough please, I wish I was, but
>>>I'm not a scientist).
>>>
>>>
>>Where did you get "tuples of tuples" for **x ?
>>
>>
>
>I would guess it is confusion from languages where unary * means
>dereference and ** means double dereference.
>
>
That was precisely my mistake.

>To the OP: I'm glad you have been reading the tutorial. If you have
>further questions the reference manual is a good place to look:
>
>http://docs.python.org/ref/function.html
>
>
Now I see, there's a '**' token, which is not the same as two adjacents
'*' tokens.

>Just as you can use a name other than self as the first argument to an
>unbound method, you can call your *args and **kwargs *x and **y instead,
>but they will still act just like *args and **kwargs.
>
>The stars are magic, not the names.
>
>
Thanks mucho!
F.
Received on Thu Sep 29 16:55:45 2005