simple class question

[Matt Grayson]

On Jan 20, 2004, at 12:34 PM, C GIllespie wrote:

> Dear all,
>
> I'm new to both python and OOP, so could I ask a simple question.
>
> I have class:
>
> class species:
>     __init__(self,pop=0):
>         self.pop=pop
> Now I want to do something like this:
>
> X=species(pop=10)
> Y=species(pop=X.pop)
> OK, but now I want to update X.pop and have that mirrored in Y.pop, 
> i.e. if
> X.pop=5, Y.pop now equals 5.
>
> What is the best/nicest/simplest way of doing this?

Instead of declaring Y as a new instance of species, just set Y equal 
to X:

	x = species(pop=10)
	y = x
	x.pop = 15
	print y.pop

>
> Many thanks
>
> Colin
>
>
> -- 
> http://mail.python.org/mailman/listinfo/python-list

------------------------------------------------
Matt Grayson

School of Information Sciences, University of Tennessee
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