Longest Palindromic Substring

MediumPython

Problem

Given a string, return the longest palindromic substring. Implement def longest_palindrome(s):, returning a string. A palindrome reads identically from left to right and right to left. If multiple palindromic substrings have the same maximum length, return the one that appears first.

Constraints

0 <= len(s) <= 1000
s contains printable ASCII characters
Return the earliest substring when multiple answers have the same maximum length

Function Signature

def longest_palindrome(s):

CodePython 3

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