python冒泡排序

def my_sort(data):
    for i in range(len(data)):
        for j in range(len(data) - 1):
            if data[j] > data[j+1]:
                data[j], data[j+1] = data[j+1], data[j]
    return data

mylist = [1, 4, 3, 6, 5, 9, 8]
result = my_sort(mylist)
print(result)