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: asaasasajjasj

A: asaasa
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Q: zetezetzeze

A: zetez
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Q: jgjgljjgggjjglj

A:
jjgggjj
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