#30
Compress a Sequence
| Difficulty: | Easy |
| Topics: | seqs |
Write a function which removes
consecutive duplicates from a sequence.
 | (= (apply str (__ "Leeeeeerrroyyy")) "Leroy") |
| (= (__ [1 1 2 3 3 2 2 3]) '(1 2 3 2 3)) |
| (= (__ [[1 2] [1 2] [3 4] [1 2]]) '([1 2] [3 4] [1 2])) |