input: Write a python function to sort a list in ascending order.
  assert sortList([4, 5, 2, 1, 3]) == [1, 2, 3, 4, 5]
  assert sortList([10, 1, 7, 6, 2]) == [1, 2, 6, 7, 10]
  assert sortList([100, 50, 25, 75, 10]) == [10, 25, 50, 75, 100]
output: def sortList(lst):
      return sorted(lst)