input: 
  def vowelCheck(inputString: str) -> str:
      """
      Detect the first vowel in the given input string.
      If no vowels are found, it should return an empty string.
      
      >>> vowelCheck('Hello World')
      'e'
      >>> vowelCheck('Python')
      'o'
      """
  
output:     vowels = "aeiouAEIOU"
      for char in inputString:
          if char in vowels:
              return char
      return ""