Interesting Syntax: 'Bunch' class

[Remco Gerlich]

Andy Todd <atodd at spam.free.email.com> wrote in comp.lang.python:
> From an earlier thread I picked up Alex Martelli's 'bunch' class from the 
> Active State cookbook ( 
> http://www.activestate.com/ASPN/Python/Cookbook/Recipe/52308). I love this 
> and will no doubt use it time and again. However, I'm puzzled by a bit of 
> syntax that I haven't seen before and can't find (easily) in the manual, 
> viz;
> 
> "    def __init__(self, **kwds):"
> 
> What is the "**kwds" a reference to? All help greatfully received ...

A dictionary of keyword arguments.

Try

>>> def test(**kwds):
...    print kwds
...
>>> test(a=3, b=4)
{'a': 3, 'b': 4}

-- 
Remco Gerlich