input: Write a python function to sort a list of integers in ascending order.
  assert sort_list([5, 7, 1, 3, 4]) == [1, 3, 4, 5, 7]
  assert sort_list([10, 2, 0, -5, 8]) == [-5, 0, 2, 8, 10]
  assert sort_list([3, 3, 3, 3, 3]) == [3, 3, 3, 3, 3]
output: def sort_list(lst):
      return sorted(lst)