def insert_sort(li):
    """
    插入排序法
    :param li:无序列表
    :return:None
    """
    for i in range(1, len(li)):
        tmp = i
        j = i - 1
        while j >= 0 and li[j] > tmp:
            li[j + 1] = li[i]
            j -= 1
        li[j+1] = tmp


li = list(range(1000))
random.shuffle(li)
insert_sort(li)
print(li)