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: pyppydddydp

Answer: ydddy


Question: nftnnfnnttf

Answer: tnnfnnt


Question: jgsssjsgjsgs

Answer:
sss