Haskell

3. removeAll:: (Eq a) [a] a] - [a] Write a function that takes two lists and returns a list containing only those elements in the second list that do not appear in the first. Examples: > removeALl [1..3] 0..10] [0,4,5,6,7,8,9,10] removeALl "aeiou" "supercalifragilisticexpialidocious" "sprclfrglstcxpldcs" Permitted functions:(), 4.join:: a -> [[a]] - a] Write a function that joins lists together using a separator valuethe separator should only appear between elements, and not at the end Examples: > join '-' ["hello", "hello-how-are-you" "how" , "are", "you" >join [[1], [2,311 Permitted functions: (++),)