Python

First, from the 3rd layer loop directly out of all loopsBreak_flag =Falsecount=0 whileBreak_flag = =False:Print("-First Floor") whileBreak_flag = =False:Print("Second Floor") whileBreak_flag = =False:count+ = 1ifCount > 10:

#!/usr/bin/evn python#_*_ coding:utf-8 -*-import socketdef auth (func):     def inner (*args, **kwargs):             print  ' befor '             temp  = func (*args,**kwargs)             print   ' after '             return temp 

Shopping Cart Program (teacher method)Product_list = [[' Iphone7 ', 5800], #列表方式 [' Coffee ', 30], [' Lump soup ', 10], [' Python book ', [], [' Bike ', 199], [' ViVo X9 ', 2499],]shopping_cart = [] #shopping_cart Cart salary = Int

Microsoft Windows [version 10.0.14393] (c) Microsoft Corporation. All rights reserved. c:\windows\system32>python-m pip install--upgrade pipcollecting pip Using Cached Pip-9.0.1-py2.py3-none-any.whlinstalling collected Packages:pip Found existing

#coding: Utf-8import urllib2def url_user_agent (proxy,url): proxy_support = urllib2. Proxyhandler ({' http ':p Roxy}) opener = Urllib2.build_opener (proxy_support) Urllib2.install_opener (opener) i_headers = {' user-agent ': ' mozilla/5.0

When you use Subprocess to invoke another module component through the shell, you need to judge the returned code. It is difficult to trace where the exception occurred when the raise Exception is required to determine the result of execution

Problems with the build database encountered todayThe Django Build database uses two commands, one Python manage.py makemigrations, and Python manage.py migrateWhen designing a database table, be sure to figure out the relationship between tables

#！ /bin/env python#这句会生成一个列表 [0,1,2,3,4,5,6,7,8,9]List_a = [item for item ' in range (10)]#下面对这个列表进行筛选 (conditions are even)List_b = [item for item in List_a if (item%2==0)]#这样就可以筛选出列表中的偶数#其实列表解析可以看成是这样的#[variable (or variable operation expression)

#作业一: Jump out of the multilayer loop, three-layer loop, in the innermost, jump directlyExit_flag = True#exit Flag bit forIinchRange (3): ifExit_flag = =True:Print('I---->', i) forJinchRange (3): ifExit_flag = =True:Print('J--->', J)

It's been a long time without writing technical blog, cover because of the recent learning knowledge, also did not summarize what is worth sharing content, so has been stopped pen so far. Recent work and nail development has been handed over, and

IPython + Ptpython, perfect experienceThe first is the installation Pip Install Ipython Ptpython Then use Ptipython What good is it?1. IPython is a very powerful Python enhancement tool2. Ptpython provides an IDE-like auto-completion function3. When

It is recommended that full Stack python has a variety of Python resource summaries, from basics to various frameworks for Web application development and deployment to advanced ORM and Docker. Here are some of the tutorials summarized on full Stack

This paper mainly gives you a brief explanation of how to use Asyncio. Future Object to encapsulate the asynchronous read and write of the file. A small partner in need can refer to the following "> Objective Like network IO, file read and write is

This article mainly for you in detail the Python production of Windows system services related materials, with a certain reference value, interested in small partners can refer to Recently a Python program needs to be installed and run as a Windows

This article mainly introduces the http://www.php.cn/wiki/1515.html "target=" _blank ">django implementation of custom 404,500 page of the detailed method, very simple and practical, the need for small partners can refer to the following 1. Create

Using the requests analog login, the direct use of the Request.get (URL), easy to cause 302 Redirect, the reason is because the cookie is not durable (requests with cookie processing, but not durable), The solution is to use the request. Session ()

1. Guess the age, you can let the user guess up to three times!1Print"---------welcome to guessing age game---------") # Print game title2 3Guess =3#准许猜测次数4 5Age = about# Age equals6 7 whileGuess >0: #循环执行8 9User_guess =int(input ("Enter the age

FileDefault SettingsEditorFile and Code TemplatesPython Script# Coding:utf8‘‘‘Created on ${date}@author: ${user}‘‘‘--------------------------Edit the template Contents. Can use:Plain Text.#parse directives to work with template Includes.Custom

Use pycharm to create the first django project and pycharm to create django Copy the path of django in the local directory before creating a project, for example, C: \ Users \ AppData \ Roaming \ Python \ Python35 \ site-packages \ django \ bin.

Decorator3, decorator3 Add a return value to the decorator   Import timedef timer (func): def wrapper (* args, ** kwargs): # start_time = time for wrapper packaging. time () func (* args, ** kwargs) stop_time = time. time () print ("The run time of