python 冒泡排序

lis = [10 ,1, 9, 8, 5, 3, 2, 7]

for i in range(0, len(lis)):
    for j in range(i + 1, len(lis)):
        if lis[i] > lis[j]:
            lis[i], lis[j] = lis[j], lis[i]
print(lis)