How to detect that a function argument is the default one

[Jean-Michel Pichavant]

----- Original Message -----
> From: "Chris Angelico" <rosuav at gmail.com>
> > c1 = Circle((0,0), 10, None)
> > print c1.mass
> > 20
> > c1.radius = 20
> > print c1.mass
> > 40
> 
> I think that juuuuuust miiiiight count as scope creep :) 
> ChrisA

Here you go :p

c1 = Circle((0,0), 10, None)
print c1.mass
20
c1.grow(+10)
print c1.mass
40

JM


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