input: Write a function to sort a list of numbers in descending order.
  assert sort_descending([1, 7, 25, 8, 14]) == [25, 14, 8, 7, 1]
  assert sort_descending([3, 5, 2, 9, 10]) == [10, 9, 5, 3, 2]
  assert sort_descending([100, 20, 35, 50, 5]) == [100, 50, 35, 20, 5]
output: def sort_descending(numbers):
      return sorted(numbers, reverse=True)