input: Write a function to print a jagged array of a given size without any values.
  def print_jagged_array(array_size):  
      array = [None] * array_size  
      for i in range(array_size):  
          array[i] = []  
      print(array)  
  
  if __name__ == "__main__":  
      array_size = 4  
      print_jagged_array(array_size)  
  assert print_jagged_array(4) == [[], [], [], []]  
  assert print_jagged_array(0) == []  
  assert print_jagged_array(2) == [[], []]  
  assert print_jagged_array(5) == [[], [], [], [], []]
output: def print_jagged_array(array_size):  
      array = [[] for _ in range(array_size)]  
      print(array)