TASK DEFINITION: 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.
PROBLEM: qqqqqqyeyeqyeq

SOLUTION: qqqqqq

PROBLEM: pppptttptpppp

SOLUTION: ptttp

PROBLEM: jjiaiajijaj

SOLUTION:
ajija