input: Write a function to sort and print the elements of an array of integers. If the input array is empty, print an empty list.
  assert sort_and_print([17, 41, 5, 22, 54, 6, 29, 3, 13])==[3, 5, 6, 13, 17, 22, 29, 41, 54]
  assert sort_and_print([])==[]
output: def sort_and_print(arr):
      return sorted(arr)