input: Write a python function to sort a list in ascending order.
  assert sorting_ascending([3, 1, 2, 5, 4]) == [1, 2, 3, 4, 5]
  assert sorting_ascending([10, 5, 8, 12, 3]) == [3, 5, 8, 10, 12]
  assert sorting_ascending([7, 2, 5, 9, 1]) == [1, 2, 5, 7, 9]
output: def sorting_ascending(lst):
      return sorted(lst)