alist = [new point, new point, new point]       # create list contains three objects

alist + [1,2,3]                                 # add another item to the list

see "Item 4 is a list contains 3 items" + nl
see alist[4]

add(alist , new point)
alist + new point

alist[5] { x = 100 y = 200 z = 300 }
alist[6] { x = 50 y = 150 z = 250 }

see "Object inside item 5" + nl
see alist[5]
see "Object inside item 6" + nl
see alist[6]

class point x y z
