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: ccuuuffffucccf

A: uffffu
****
Q: kskhhshhhhkhhh

A: hhhkhhh
****
Q: ccpttpctpppcc

A:
cpttpc
****