input: 
  def create_even_numbers_list() -> List[int]:
      """ Use list comprehensions to generate a list of even numbers between 1 and 20.
      >>> create_even_numbers_list()
      [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
      """
  
output:     return [x for x in range(1, 21) if x % 2 == 0]