input: Write a python function to sort a list in ascending order.
  assert sort_list([100, 50, 30, 10, 7]) == [7, 10, 30, 50, 100]
  assert sort_list([5, 3, 8, 6, 2]) == [2, 3, 5, 6, 8]
  assert sort_list([12, 4, 7, 1, 9]) == [1, 4, 7, 9, 12]
output: def sort_list(lst):
      return sorted(lst)