content: my_flatten({{1}, 2, {{3, 4}, 5}, {{{}}}, {{{6}}}, 7, 8, {}})
  
  on my_flatten(aList)
  	if class of aList is not list then
  		return {aList}
  	else if length of aList is 0 then
  		return aList
  	else
  		return my_flatten(first item of aList) & (my_flatten(rest of aList))
  	end if
  end my_flatten
  