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