Noah Rawlins wrote:
> ram wrote:
>> Stupid question #983098403:
>>
>> I can't seem to pass an unpacked sequence and keyword arguments to a
>> function at the same time. What am I doing wrong?
>>
>> def f(*args, **kw):
>> for a in args:
>> print 'arg:', a
>> for (k,v) in kw.iteritems():
>> print k, '=', v
>>
>>>>> f(1,2)
>> arg: 1
>> arg: 2
>>
>>>>> f(*[1,2])
>> arg: 1
>> arg: 2
>>
>>>>> f(1,2, a=1)
>> arg: 1
>> arg: 2
>> a = 1
>>
>>>>> f(*[1,2], a=1)
>> File "<stdin>", line 1
>> f(*[1,2], a=1)
>> ^
>> SyntaxError: invalid syntax
>>
>> Thanks,
>> Rick
>>
>
> I don't know if it's because there's some potential ambiguity (that I'm
> not seeing), but yeah, you just can't do that. This should work though...
>
> >>> f(*[1, 2], **{'a':1})
>
> noah
You should be ok as long as you use the following ordering of actual
arguments in a function call:
1. Positional arguments
2. Keyword arguments
3. * sequence
4. ** dict
In other words try (untested):
f(a=1, *[1, 2])
regards
Steve
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