input: Write a python function to sort a list in ascending order.
  assert sort_list([5, 2, 8, 1]) == [1, 2, 5, 8]
  assert sort_list([10, 3, 5, 2]) == [2, 3, 5, 10]
  assert sort_list([4, 4, 2, 1]) == [1, 2, 4, 4]
output: def sort_list(lst):
      return sorted(lst)