[TriPython] Editing a list in a function

[Mark Hutchinson]

Oops.  My bad.
Thanks for the catch/correction, Calvin.
Mark


-----Original Message-----
From: Calvin Spealman <ironfroggy at gmail.com>
To: Mark Hutchinson <aikimark at aol.com>; Triangle (North Carolina) Python Users Group (formerly TriZPUG) <trizpug at python.org>
Sent: Wed, Aug 11, 2021 1:31 pm
Subject: Re: [TriPython] Editing a list in a function



On Wed, Aug 11, 2021 at 12:31 PM Mark Hutchinson via TriZPUG <trizpug at python.org> wrote:

   Once your function begins to 'alter' the input list parameter, it becomes
   a new list.  Unless your function uses the Global keyword to refer to the
   variable in the code outside the function.
   Mark


This is absolutely not true. Lists are mutable, modifying them is a mutation of the original list.
 
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-------------- next part --------------
   Oops.  My bad.
   Thanks for the catch/correction, Calvin.
   Mark

   -----Original Message-----
   From: Calvin Spealman <ironfroggy at gmail.com>
   To: Mark Hutchinson <aikimark at aol.com>; Triangle (North Carolina) Python
   Users Group (formerly TriZPUG) <trizpug at python.org>
   Sent: Wed, Aug 11, 2021 1:31 pm
   Subject: Re: [TriPython] Editing a list in a function

   On Wed, Aug 11, 2021 at 12:31 PM Mark Hutchinson via TriZPUG
   <[1]trizpug at python.org> wrote:

        Once your function begins to 'alter' the input list parameter, it
     becomes
        a new list.  Unless your function uses the Global keyword to refer to
     the
        variable in the code outside the function.
        Mark

   This is absolutely not true. Lists are mutable, modifying them is a
   mutation of the original list.


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