Hi all.

I am trying to assign the numbers 1 through to 20 to a Set, this is the code so far
|aSet i|
    aSet := Set new.
    i := 1.
    [ i = aUpperBound] whileFalse: [i := i+1. aSet add:i].
But it says that it cannot find the Set (aSet), what am I doing wrong?