input: Write a python function to sort a list in ascending order.
  assert sort_list([3, 8, 1, 5, 6]) == [1, 3, 5, 6, 8]
  assert sort_list([10, 2, 34, 4, 5]) == [2, 4, 5, 10, 34]
  assert sort_list([7, 7, 3, 2, 1]) == [1, 2, 3, 7, 7]
output: def sort_list(lst):
      return sorted(lst)