input: 
  def generate_zeros_array(row: int, col: int) -> List[List[int]]:
      """ Generate a two-dimensional array filled with zeros.
      >>> generate_zeros_array(3, 3)
      [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
      >>> generate_zeros_array(2, 4)
      [[0, 0, 0, 0], [0, 0, 0, 0]]
      """
      return [[0] * col for _ in range(row)]
  
output:     return [[0] * col for _ in range(row)]