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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