input: Write a function to sort and print out the elements of an array of integers.
  
  assert sort_and_print([17, 41, 5, 22, 54, 6, 29, 3, 13]) == None
  assert sort_and_print([34, 12, 56, 7, 89, 9]) == None
  assert sort_and_print([2, 3, 1]) == None
  assert sort_and_print([1]) == None
  assert sort_and_print([]) == None
output: def sort_and_print(arr):
      arr.sort()
      for num in arr:
          print(num)