input: Write a function to sort a list of integers in ascending order.
  assert arrange([16, 41, 0, 7, 13, 24]) == [0, 7, 13, 16, 24, 41]
  assert arrange([5, 3, 8, 4, 2]) == [2, 3, 4, 5, 8]
  assert arrange([10, 20, 5, 15]) == [5, 10, 15, 20]
output: def arrange(lst):
      return sorted(lst)