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