input: Write a Python function that shifts each character in a given string forward by 5 positions in the alphabet.
  
  def shift_encode(s: str):
      """
      Encrypts a string by moving each character forward by 5 positions in the alphabet.
      """
      return "".join([chr(((ord(ch) + 5 - ord("a")) % 26) + ord("a")) for ch in s])
  
  
  def shift_decode(s: str):
      """
      Decodes a string that was encrypted with the shift_encode function, returning the original string.
      """
output: def shift_decode(s: str):
      return "".join([chr(((ord(ch) - 5 - ord("a")) % 26) + ord("a")) for ch in s])