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: zeczczcezeeezce

A: zeczczcez
****
Q: brbbrprbrpbrb

A: brprb
****
Q: cwwwwwcccw

A:
cwwwwwc
****
