input: 
  from typing import List
  
  def is_palindrome(s: str) -> bool:
      """Check if a given string s is a palindrome.
      A palindrome is a word, phrase, number, or other sequences of characters
      that reads the same forward and backward (ignoring spaces, punctuation,
      and capitalization).
      >>> is_palindrome("madam")
      True
      >>> is_palindrome("hello")
      False
      """
      s = s.lower().replace(" ", "").replace(",", "").replace(".", "")  # Normalize the string
      return s == s[::-1]  # Checks if s is the same as its reverse.
  
output:     
      s = s.lower().replace(" ", "").replace(",", "").replace(".", "")  # Normalize the string
      return s == s[::-1]  # Checks if s is the same as its reverse.
  