input: Write a python function to sort a list of numbers.
  assert sort_numbers([5, 3, 1, 4, 2]) == [1, 2, 3, 4, 5]
  assert sort_numbers([10, 20, 5, 7, 9]) == [5, 7, 9, 10, 20]
  assert sort_numbers([-1, -3, -2, 0, 2, 1]) == [-3, -2, -1, 0, 1, 2]
output: def sort_numbers(numbers):
      return sorted(numbers)