input: 
  def remove_vowels(string: str) -> str:
      """ Removes all vowels from the given string and returns the resulting string.
      >>> remove_vowels("Hello World!")
      'Hll Wrld!'
      >>> remove_vowels("The quick brown fox jumps over the lazy dog")
      'Th qck brwn fx jmps vr thlz dg'
      >>> remove_vowels("AEIOUaeiou")
      ''
      """
      vowels = ['a','e','i','o','u']
      new_string = ''
      for char in string:
          if char.lower() not in vowels:
              new_string += char
      return new_string
  
output:     vowels = ['a','e','i','o','u']
      new_string = ''
      for char in string:
          if char.lower() not in vowels:
              new_string += char
      return new_string