[TriPython] Editing a list in a function

[Calvin Spealman]

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 --------------
   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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