Can you help me solve this?

[Pieter van Oostrum]

Joseph Nail <joseph2001nail at gmail.com> writes:

> Hello,
> I have one problem. Somehow in my function when I wrote y=x, they are the
> same variable and then it also changes age or height (which were x) in the
> main program. See more in attached file.
> Maybe it is bug or maybe it should run that way.

If you write y = x, then they are not the same variable, but they point to (the proper Python language is they are bound to) the same object.

Now if you say x.age = 20, then y.age will also be 20 (it's the same object).
-- 
Pieter van Oostrum
www: http://pieter.vanoostrum.org/
PGP key: [8DAE142BE17999C4]