input: from typing import List
  
  def generate_3x3_random_array(start: int, end: int) -> List[List[int]]:
      """
      Using the NumPy library, generate a 3x3 array of random integers ranging from 'start' to 'end'.
      
      >>> generate_3x3_random_array(1, 5)
      array([[4, 2, 1],
             [3, 5, 1],
             [2, 4, 3]])
      >>> generate_3x3_random_array(0, 10)
      array([[7, 2, 9],
             [3, 6, 1],
             [8, 4, 5]])
      """
      import numpy as np
      a = np.random.randint(start, end+1, size=(3,3))
      return a.tolist()
output:     import numpy as np
      a = np.random.randint(start, end+1, size=(3,3))
      return a.tolist()