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