Question about Pass-by-object-reference?
tjreedy at udel.edu
Thu Jul 24 00:32:24 CEST 2014
On 7/23/2014 1:36 AM, Steven D'Aprano wrote:
> On Tue, 22 Jul 2014 20:27:15 -0400, Terry Reedy wrote:
>> When you call a function, Python binds function parameter names to
>> argument objects in the function's local namespace, the same as in name
>> assignments. Given
>> def f(a, b): pass
>> a call f(1, 'x') starts by executing
>> a, b = 1, 'x'
>> in the local namespace. Nothing is being 'passed'.
> If nothing is being passed, how does the function know to bind 1 and 'x'
> to names a and b, rather than (say) this?
> a, b = 23, 'Surprise!"
To quote your other message, "Magic happens, and a result is returned."
Terry Jan Reedy
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