input: Write a function to sort a list in ascending order.
  assert sort_list([2,7,3,9,0,4]) == [0,2,3,4,7,9]
  assert sort_list([5,2,3,1,4]) == [1,2,3,4,5]
  assert sort_list([10, 5, 8, 3, 6]) == [3,5,6,8,10]
output: def sort_list(lst):
      return sorted(lst)