A question on modification of a list via a function invocation

[breamoreboy at gmail.com]

On Wednesday, September 6, 2017 at 1:12:22 PM UTC+1, Rustom Mody wrote:
> On Wednesday, September 6, 2017 at 5:08:20 PM UTC+5:30, Steve D'Aprano wrote:
> > On Wed, 6 Sep 2017 07:13 pm, Rustom Mody wrote:
> > 
> > 
> > > Can you explain what "id" and "is" without talking of memory?
> > 
> > Yes.
> > 
> > id() returns an abstract ID number which is guaranteed to be an integer, and
> > guaranteed to be distinct for all objects which exist at the same time. When an
> > object ceases to exist, its ID number may be re-used.
> > 
> > `is` compares the two operands for identity. If the two operands are the same
> > object, `is` returns True, if they are distinct objects, `is` returns False.
> 
> >>> a = (1,2)
> >>> b = (1,2)
> >>> a is b
> False
> >>> x = 1
> >>> y = 1
> >>> x is y
> True
> 
> a seems to be as 'same' to b as x is to y
> Python seems to think otherwise
> 
> Evidently your ‘same’ is not the same as mine??
> 

This shows your complete ignorance of Python.  One would often suggest putting the shovel down, but it is far too late for that.

Kindest regards.

Mark Lawrence.