#28
Flatten a Sequence
| Difficulty: | Easy |
| Topics: | seqs core-functions |
Write a function which flattens a sequence.
 | (= (__ '((1 2) 3 [4 [5 6]])) '(1 2 3 4 5 6)) |
| (= (__ ["a" ["b"] "c"]) '("a" "b" "c")) |
| (= (__ '((((:a))))) '(:a)) |
Special Restrictions
flatten