例子 def bubble_sort(arr): n = len(arr) for i in range(n): for j in range(0, n - i - 1): if arr[j] > arr[j + 1]: arr[j], arr[j + 1] = arr[j + 1], arr[j] arr = [64, 34, 25, 12, 22, 11, 90] bubble_sort(arr) print("排序后的数组是:", arr)