input: 
  def remove_vowels(string: str) -> str:
      """Remove all vowels from the given string.
      >>> remove_vowels("Hello World")
      'Hll Wrld'
      >>> remove_vowels("Python Programming")
      'Pythn Prgrmmng'
      """
      vowels = 'aeiouAEIOU'
      return ''.join([char for char in string if char not in vowels])
  
output:     vowels = 'aeiouAEIOU'
      return ''.join([char for char in string if char not in vowels])