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In the age of python, you have to learn some Python in finance, personnel, administration and other posts, which is easy and brain-saving! All operations are automatically implemented in Python, overtime? It doesn't exist! In fact, excel and python are both tools. We don't need to compare them and study which is easy to use. excel, as the most ...

Reptile Author: ychh_ Bedding content Reptile classification Universal crawler: An important part of grasping system Focus crawler: Based on the universal crawlerWhat is captured is the local content of the page Incremental crawler: Detect the update of data in the website Anti creep mechanism Portal websites can prevent cr ...

Python practice notes - 2. Crawl public information from the website Zhang Banshu's Python practice notes, including notes and DeBug's experience. In order to complete a troublesome internship task, I tried to do such a reptile project. One of the task requirements is to search the government affairs disclosure of Anhui emergency management d ...

cookie handling of requests module Stateless HTTP HTTP statelessness means that the HTTP protocol has no memory ability for transaction processing, that is, the server does not know what the state of the client is. When we send a request to the server, the server parses the request and then returns the corresponding response. The server is re ...

catalogue 1: Scarpy           (1)   What is Scrapy:            (2) To install the scene: 2. Creation and operation of the scratch project          1. Create a scene project:          2. Proje ...

day17 - csv file and excel file operation and object-oriented programming (10.12) 1. python reads csv files python read csv file – read csv file Create folder - ctrl+c – ctrl+v add csv file (cancel) utf-8-sig – > signed UTF-8 – > with byte order mark (to ensure safe reading) import csv with open('resource ...

Why did you write this article Since I wrote my first Python series column on June 13, 2021, I have successively updated 27 Python series articles. Here, I would like to thank readers for their support and reading, especially the little partners of one button three company. This column is named [Python from introduction to mastery], which is ...

1, Climbing tool httpclient Simulate the browser request for capturing html pages. After capturing, you can obtain data in combination with regular.fastjson Used to parse json. For some ajax requests, httpclient cannot grab the html generated dynamically by js later. Therefore, we need to obtain the ajax request url, then obtain the json s ...

📢📢📢📣📣📣 🌻🌻🌻 Hello, everyone. My name is Dream. I'm an interesting Python blogger. I have a small white one. Please take care of it 😜😜😜 🏅🏅🏅 CSDN is a new star creator in Python field. I'm a sophomore. Welcome to cooperate with me 💕 Introduction note: this paradise is never short of genius, and hard work is your final admissio ...

 regular expressions are powerful tools and techniques for string processing.  regular expression uses a predefined pattern to match a class of strings with common characteristics. It is mainly used to process strings. It can quickly and accurately complete complex search, replacement and other processing requirements. It has important appli ...