input: from typing import List
  
  def vowelCheck(inputString: str) -> str:
      """Detect the first vowel in a given string.
      >>> vowelCheck('Hello World')
      'e'
      >>> vowelCheck('Python')
      'o'
      """
output:     vowels = "aeiouAEIOU"
      for char in inputString:
          if char in vowels:
              return char
      return ""