input: Write a function to sort and print out the elements of an array of integers.
  def sort_and_print(arr):
      arr.sort()
      print(arr)
  
  assert sort_and_print([17, 41, 5, 22, 54, 6, 29, 3, 13])==None
  assert sort_and_print([9, 8, 7, 6, 5, 4, 3, 2, 1])==None
  assert sort_and_print([1, 2, 3, 4, 5, 6, 7, 8, 9])==None
  assert sort_and_print([])==None
  assert sort_and_print([5])==None
output: def sort_and_print(arr):
      arr.sort()
      print(arr)