In this task you will be given a string and you should find the longest substring that is a palindrome. A palindrome is a string that is the same backwards as it is forwards. If the shortest possible palindrome is length 1 you should return the first character.
--------
Question: euteetteuuu

Answer: teet


Question: fmmnnmmfmnfm

Answer: fmmnnmmf


Question: eqqqeeeqgqgg

Answer:
eqqqe