input: Write a function to print a jagged array of a given size with no values.
  
  def print_jagged_array(array_size):
      array = [None] * array_size
      for i in range(array_size):
          array[i] = []
      print(array)
  
  assert print_jagged_array(3)==None
  assert print_jagged_array(5)==None
output: def print_jagged_array(array_size):
      array = [None] * array_size
      for i in range(array_size):
          array[i] = []
      print(array)