What value should be passed to make a function use the default argument value?

[Larry Bates]

LaundroMat wrote:
> Suppose I have this function:
> 
> def f(var=1):
> return var*2
> 
> What value do I have to pass to f() if I want it to evaluate var to 1?
> I know that f() will return 2, but what if I absolutely want to pass a
> value to f()? "None" doesn't seem to work..
> 
> Thanks in advance.
> 
The answer is don't pass any value.

print f()

will print 2

-Larry Bates