input: from typing import List
  
  
  def count_vowels(string: str) -> int:
      vowels = "aeiou"
      count = 0
      for s in string:
          if s.lower() in vowels:
              count += 1
      return count
      
      """
      Count the total number of vowels in the given string.
      >>> count_vowels("Hello World!")
      3
      >>> count_vowels("Python Programming")
      4
      """
output:     vowels = "aeiou"
      count = 0
      for s in string:
          if s.lower() in vowels:
              count += 1
      return count