input: Write a python function to sort a list in descending order.
  assert sortListInDescendingOrder([30, 10, 40, 20]) == [40, 30, 20, 10]
  assert sortListInDescendingOrder([5, 3, 8, 1, 2]) == [8, 5, 3, 2, 1]
  assert sortListInDescendingOrder([100, 50, 75, 25]) == [100, 75, 50, 25]
output: def sortListInDescendingOrder(lst):
      return sorted(lst, reverse=True)