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From: Serhiy Storchaka <storchaka@gmail.com>
Subject: Re: Can Python function return multiple data?
Date: Thu, 04 Jun 2015 09:56:38 +0300
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Xref: csiph.com comp.lang.python:92033

On 03.06.15 02:56, Chris Angelico wrote:
> On Wed, Jun 3, 2015 at 7:27 AM, fl <rxjwg98@gmail.com> wrote:
>> I just see the tutorial says Python can return value in function, it does
>> not say multiple data results return situation. In C, it is possible.
>> How about Python on a multiple data return requirement?
>
> Technically, neither C nor Python can return multiple values from a
> single function call. In Python, the most common way to do this is to
> return a tuple, which can then be unpacked; as other posts in this
> thread have shown, this can look a lot like returning multiple values,
> and it's pretty convenient. In C, the nearest equivalent is passing a
> number of pointers as parameters, and having the function fill out
> values. Python's model is a lot closer to what you're saying than C's
> model is :)

Closer modeling of C's model in python is to pass an object or a list as 
an argument and set their attributes or elements in the function.

def f(a, b):
     a.x = 4.3
     a.y = 1.7
     b[:] = [45, 67]
     return 3