Python3练习题 006 冒泡排序

import random

a = [random.randint(1,100) for i in range(10)]
def bu(target):
    length = len(target)
    while length > 0:
        length -= 1
        cur = 0
        while cur < length: #拿到当前元素
            if target[cur] < target[cur + 1]:
                target[cur], target[cur + 1] = target[cur + 1], target[cur]
            cur += 1
    return target

print (bu(a))