input: 
  from typing import List
  
  
  def is_palindrome(s: str) -> bool:
      """ This function returns True if the string s is a palindrome and False if it isn't. Note that a palindrome is a word or sequence that reads the same backward as forward.
      >>> is_palindrome("racecar")
      True
      >>> is_palindrome("hello")
      False
      """
      return s == s[::-1]  # Checks if s is the same as its reverse.
  
output:     
      return s == s[::-1]  # Checks if s is the same as its reverse.
  