A question on modification of a list via a function invocation

[Grant Edwards]

On 2017-08-17, Ben Bacarisse <ben.usenet at bsb.me.uk> wrote:

> What goes wrong when someone thinks of Python as passing by value but
> the value of an expression is an object reference?

What usually goes wrong is that people don't combined that thinking
with an understanding of what the "=" operator does.

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