input: from typing import List
  
  def vowelCheck(inputString: str) -> List[str]:
      """ Detect the vowels present in a given string.
      >>> vowelCheck("Hello World")
      ['e', 'o', 'o']
      >>> vowelCheck("Python Programming")
      ['o', 'P', 'o', 'a', 'i']
      """
output:     vowels = "aeiouAEIOU"
      result = [char for char in inputString if char in vowels]
      return result