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: aaarrrprrapaar

Answer: rrprr


Question: kqjjjjqkqjqjk

Answer: kqjjjjqk


Question: ieiixxieieeexe

Answer:
ixxi