input: def filter_vowels(string: str) -> str:
      """ Filters out all vowels from the given string.
      >>> filter_vowels("Hello World!")
      'Hll Wrld!'
      >>> filter_vowels("Python Programming")
      'Pythn Prgrmmng'
      """
      vowels = ('a', 'e', 'i', 'o', 'u')
      return ''.join(c for c in string if c.lower() not in vowels)
output:     vowels = ('a', 'e', 'i', 'o', 'u')
      return ''.join(c for c in string if c.lower() not in vowels)