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. -- http://mail.python.org/mailman/listinfo/python-list