input: Write a function to sort a list of numbers in ascending order.
  assert sort_list([4, 2, 9, 1, 5, 6]) == [1, 2, 4, 5, 6, 9]
  assert sort_list([10, 3, 7, 9, 2]) == [2, 3, 7, 9, 10]
  assert sort_list([1, 2, 3, 4, 5]) == [1, 2, 3, 4, 5]
  assert sort_list([5, 4, 3, 2, 1]) == [1, 2, 3, 4, 5]
output: def sort_list(numbers):
      return sorted(numbers)