Question: Haskell: Write a function encode string (using recursion) that encodes string in the simple repeat encoding. So encode aaabbbccc should return a3b3c3 and encode abcd

Haskell:

Write a function encode string (using recursion) that encodes string in the simple repeat encoding.

So encode "aaabbbccc" should return "a3b3c3" and encode "abcd" should return "a1b1c1d1".

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