input: Write a python function to sort a list of numbers in ascending order.
  assert sort_list([3, 5, 18, 6, 1, 20]) == [1, 3, 5, 6, 18, 20]
  assert sort_list([10, 2, 8, 6, 7, 3]) == [2, 3, 6, 7, 8, 10]
  assert sort_list([5, 4, 3, 2, 1]) == [1, 2, 3, 4, 5]
output: def sort_list(numbers):
      return sorted(numbers)