input: Write a function to sort a list of numbers.
  assert sort([3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5]) == [1, 1, 2, 3, 3, 4, 5, 5, 5, 6, 9]
  assert sort([10, -1, 2, 5, 0, 3]) == [-1, 0, 2, 3, 5, 10]
  assert sort([1]) == [1]
output: def sort(numbers):
      return sorted(numbers)