"Chris Angelico" <[email protected]> a écrit dans le message de
news:[email protected]...
On Thu, Dec 11, 2014 at 3:10 AM, Jean-Michel Pichavant
<[email protected]> wrote:
----- Original Message -----
From: "ast" <[email protected]>
But there's an issue with that solution: self.mass being computed
during the instance initialization, what if radius is changing ?
You are going to laught because i had that bug ... LOL
Everytime an attribute is computed from another attribute, it should ring a python bell :
property
yes
Note : what is the mass of a circle ?
In fact it's a ball moving in a plan.
I will change that name.
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