input: Write a function to sort a list of numbers.
  assert sort_numbers([3, 5, 9, 1, 2]) == [1, 2, 3, 5, 9]
  assert sort_numbers([10, 5, 3, 8, 2]) == [2, 3, 5, 8, 10]
  assert sort_numbers([100, 50, 70, 30, 10]) == [10, 30, 50, 70, 100]
output: def sort_numbers(numbers):
      return sorted(numbers)