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Palindrome Check Function

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Problem

Write a function that determines whether a given string is a palindrome. A palindrome reads the same from left to right and right to left.

Implement a function that returns True if the input string is a palindrome, and False otherwise.

Formal Specification

  • Input: A single string s.
  • Output: A boolean value indicating whether s is a palindrome.
  • Compare characters exactly as they appear in the string unless otherwise stated.

Constraints

  • 0 <= len(s) <= 10^5
  • s contains printable ASCII characters
  • The function should run in linear time or better

Function Signature

def is_palindrome(s):
Your solutionPython 3
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