flatten — Flattens List
list flatten (
)
LIST
Gets a list of lists LIST and creates a single list that is the concatenation of those lists in LIST.
flatten ([ [1, 2], [3, 4] ]) -> [1, 2, 3, 4] flatten ([ [1, 2], [6, 7], [3, 4] ]) -> [1, 2, 6, 7, 3, 4]
