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.

Q: kssukukkkussuku

A: kussuk
****
Q: ttvsvvvssst

A: svvvs
****
Q: mjijiimjmii

A:
iimjmii
****
