input: Write a python function to sort a list of integers.
  assert sort_list([8, 3, 5, 2, 9, 7]) == [2, 3, 5, 7, 8, 9]
  assert sort_list([5, 2, 3, 1, 4]) == [1, 2, 3, 4, 5]
  assert sort_list([10, 20, 15, 5, 30]) == [5, 10, 15, 20, 30]
output: def sort_list(lst):
      return sorted(lst)