new_contents: 
  def count_vowels(word):
      vowels = "aeiou"
      ch = word.lower()
      return sum(letter in vowels for letter in ch)
  
  def count_consonants(word):
      consonants = "bcdfghjklmnpqrstvwxyz"
      ch = word.lower()
      return sum(letter in consonants for letter in ch)
  
subject: add func count_vowels and count_consonants