Hi Peter,
Thanks for explaining it. Beautiful.
Thanks,
Arup Rakshit
a...@zeit.io
> On 19-Apr-2019, at 5:53 PM, Peter Otten <__pete...@web.de> wrote:
>
> Arup Rakshit wrote:
>
>> I have a very basic function.
>>
>> def greet(name, msg = "Good morning!"):
>> """
>> This function greets to
>> the person with the
>> provided message.
>>
>> If message is not provided,
>> it defaults to "Good
>> morning!"
>> """
>>
>> print("Hello",name + ', ' + msg)
>>
>> Now when I am calling __kwdefaults__ on the function I am getting None.
>>
>> 3.7.3 (default, Mar 27 2019, 09:23:15)
>> [Clang 10.0.1 (clang-1001.0.46.3)]
>> Python Type "help", "copyright", "credits" or "license" for more
>> information. from python_methods import greet
>> greet("Kate")
>> Hello Kate, Good morning!
>> greet("Bruce","How do you do?")
>> Hello Bruce, How do you do?
>> print(greet.__kwdefaults__)
>> None
>>
>> What am I missing here? Should not I get {“msg”: “Good morning!”} ?
>
> There are defaults for arguments that can be either positional or passed as
> a keyword -- and there are keyword-only arguments. __kwdefaults__ is used
> for keyword-only arguments, other defaults are stored in __defaults__:
>
>>>> def f(a, b="kw", *, c="kwonly"): pass
> ...
>>>> f.__kwdefaults__
> {'c': 'kwonly'}
>>>> f.__defaults__
> ('kw',)
>
>
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