Stackoverflow question: Is there a built-in identity function in Python?

[Lele Gaifax]

Chris Angelico <rosuav at gmail.com> writes:

> On Fri, Dec 8, 2017 at 6:29 AM, Lele Gaifax <lele at metapensiero.it> wrote:
>> Chris Angelico <rosuav at gmail.com> writes:
>>
>>> On Fri, Dec 8, 2017 at 5:53 AM, Peter Otten <__peter__ at web.de> wrote:
>>>>
>>>> Hm, what does -- and what should --
>>>>
>>>> identity(('spam', 'eggs', 7))
>>>>
>>>> produce?
>>>
>>> The same thing. And so should identity((('spam', 'eggs', 7))) and
>>> identity(((('spam', 'eggs', 7)))) and identity((((('spam', 'eggs',
>>> 7))))).
>>>
>>> For consistency, identity 'spam', 'eggs', 7 should work too.
>>
>> So you think that
>>
>>   identity('spam', 'eggs', 7) \
>>     == identity(('spam', 'eggs', 7)) \
>>     == identity((('spam', 'eggs', 7),)) \
>>     == identity(((('spam', 'eggs', 7),),))
>>
>> should yield True?
>
> No, because you're adding commas. Commas are, like, really important, yo?

I probably misunderstood your "The same thing" answer to Peter's question,
but IMHO `identity(('spam','eggs',7))` should not return the same as
`identity('spam','eggs',7)` as I got from your answer, should it?

ciao, lele.
-- 
nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri
real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia.
lele at metapensiero.it  |                 -- Fortunato Depero, 1929.