Hello I've stumble to find a solution to get a list from a set <code> >>> aa= ['a','b','c','f'] >>> aa ['a', 'b', 'c', 'f'] >>> set(aa) {'a', 'c', 'b', 'f'} >>> [k for k in aa] ['a', 'b', 'c', 'f'] </code> I repute the comprehension list too expensive, is there another method? -- goto /dev/null