python programming foundation 1

Print printing print("Hello world! "" #Output results Hello world! #Assignment and printing name = "Lai qingbo" print("My name is",name) #Output result My name is Lai qingbo #Assignment and printing name = "Lai qingbo" name2 =name print("My name is",name2) #Output result My name is La ...

Posted by DarkShadowWing on Wed, 19 Feb 2020 09:54:09 -0800

Python Learn 06.10:Python property() Function: Define Variables

In the previous chapters, we have been accessing variables defined in classes in the form of class objects. variables, which is inappropriate because it violates the principle of class encapsulation.Normally, a class contains variables that should be hidden, allowing only indirect access to and manipulation of class variables through methods pr ...

Posted by listenmirndt on Wed, 19 Feb 2020 09:30:51 -0800

Analysis of generating tag cloud code based on Python 3

This article mainly introduces the generation of tag cloud code analysis based on Python 3. The example code is introduced in detail in this article, which has a certain reference learning value for everyone's study or work. You can refer to the following for friends who need it Tag cloud is the most po ...

Posted by jerbecca on Wed, 19 Feb 2020 08:19:56 -0800

python automatically sends results to enterprise wechat

With the progress of science and technology, more and more people feel that python is powerful and lucky, especially some automatic detection, etc., which automates some mechanized work, and finally sends the results to wechat or email. If you are too lazy to read wechat or email, you can call to inf ...

Posted by rubenc on Wed, 19 Feb 2020 06:18:05 -0800

python network novel crawling 3

/* Internet Novels:[secret] */ #coding:utf-8 import re import sys from bs4 import BeautifulSoup import urllib.request import time import random proxy_list = [ {"http":"124.88.67.54:80"}, {"http":"61.135.217.7:80"}, {"http":"120.230.63.176:80"}, {"http":"210.35.205.176:80"} ] proxy = random.choic ...

Posted by Nandini on Wed, 19 Feb 2020 02:14:06 -0800

Use import module or import from module?

I'm trying to find a comprehensive guide to see if it's best to use import module or from module import? I've just started using Python, and I'm trying to focus on best practices. Basically, I want someone to share their experience, what do other developers like, and what's the best way to avoid trouble in the future? #1 building I ha ...

Posted by rkrass on Tue, 18 Feb 2020 03:29:20 -0800

Ansible? Quick start

Ansible Article directory Ansible 1 Introduction to ansible 2 environment construction 3 Ansible installation 4 Ansible Inventory file 4.1 password based connection 4.2 connection based on secret key 4.3 use of host group 4.4 temporarily designated inventory 4.5 Inventory built in parameters 5 An ...

Posted by fredriksk on Mon, 17 Feb 2020 21:53:56 -0800

Learn python-day03-10 --- transfer from Django+Xadmin to build online education platform with online standards

Section 382: Django+Xadmin create online standard online education platform - xadmin advanced 1. Background administrator details page layout The details page of the background administrator. Blocks can be dragged and divided into many blocks The layout of this page is in the UserAdmin class in xadmin/ ...

Posted by ropic on Mon, 17 Feb 2020 19:57:48 -0800

Python 3 standard library: difflib difference calculation tool

1. difflib difference calculation tool This module provides classes and functions for comparing sequences. For example, it can be used to compare files and produce different information in various formats, including HTML and context, as well as differences in uniform formats. For a comparison of directories and files, see the filecmp module. cl ...

Posted by meltingpoint on Mon, 17 Feb 2020 19:51:07 -0800

Learn from python-day018 --- from Python distributed crawler to create search engine Scrapy

In section 341, Python distributed crawler creates search engine Scrapy elaboration - writes spiders crawler file to retrieve content in a circular way - the meta attribute returns the specified value to the callback function - Scrapy built-in Image Downloader Write spiders crawler file to retrieve cont ...

Posted by yasir_memon on Mon, 17 Feb 2020 02:32:19 -0800