Question about Pass-by-object-reference?

[fl]

On Tuesday, July 22, 2014 8:27:15 PM UTC-4, 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'.
> -- 
> Terry Jan Reedy

Thanks, but I don't understand your point yet. Could you give me another example
in which something is passed?




BTW, to a previous reply post. I have learned ':' in regular expression. But I am
still new to Python, I did not realize that it is the same ':' in the string
search/match.