Json_Steve的博客

#!/usr/bin/env python# -*- coding:utf-8 -*- # Author: json_steveclass Node(object): """单链表节点""" def __init__(self,item): self.item =item self.next = Noneclass SingleLin

def bubble_sort(li): n = len(li) for j in range(n-1): flag = 0 for i in range(n-1-j): if li[i] > li[i + 1]: li[i], li[i + 1] = li[i + 1], li[i]

#!/usr/bin/env python# -*- coding:utf-8 -*- # Author: json_stevedef select_sort(li): n = len(li) for j in range(n-1): temp = j for i in range(j+1, n): if li[i]

#!/usr/bin/env python# -*- coding:utf-8 -*- # Author: json_stevedef quick_sort(li, start, end): if start >= end: return # 定义下标 low = start hight = end # 标准最开始从左面开始

测试列表的操作append和insert的效率：#!/usr/bin/env python# -*- coding:utf-8 -*- # Author: json_stevedef test_append(): li = [] for i in range(1000): li.append(i)def test_insert():

顺序表：表头，和元素存储区 表头：容量和元素个数 元素存储区：基本布局，元素外置的布局 表头的位置：一体式，分离式 python 元素外置布局，分离式。（list，tuple）

工作中遇到这样的一组数据："""[{'id_user': '227130', 'username': 'qianzn@bokecc.com', 'register_time': '2017-01-18', 'live_count': 373,'user_id': '9DC1A878A164F696'},{'id_user': '214046', 'username': 'zhangxu...