Biased random?

[Mark Dickinson]

> One possible fix:  do
>
>   x = randint(0, 10) - randint(0, 10)
>   x = abs(x) - (x<0)
>
> This collapses -1 and 0 to 0, -2 and 1 to 1, etc.

Or a slightly simpler formula that ends up producing the same
distribution:

x = min(randint(0, 10), randint(0, 10))

Mark