What to learn when getting started with Python crawler

Nowadays, python can be said to be relatively popular. Many people want to learn the language python, but they don’t know what to learn to get started with python. Let’s talk about what to learn to get started with python crawlers?

What is a crawler?

Crawlers are also called web spiders, web robots, and ants. The main function of crawlers is to obtain valuable content from the website. , and put it where you want. These are what the crawler needs to do.

What should I learn to get started with python crawler?

As the saying goes, if you want to attack something first, you must sharpen your tools first. Before learning crawlers, you must have a certain understanding of crawlers. Then it will be relatively easy to learn crawlers.

The first thing we need to learn when learning crawlers is html. HTML allows us to understand the structure of the web page and the overall layout of the web page. Only when we understand the structure of the web page can the crawler crawl the parts we want.

The second thing to learn is the python crawler, understand the principles of the python crawler, and combine the python crawler with actual combat. Only in actual development can we truly learn.

The last thing to learn is the HTTP transmission protocol and the principles of sending requests and receiving over the network. Only by mastering these can you understand the logical thinking in crawlers.

The above is a detailed explanation of what to learn about python crawler. If you want to know more aboutPython video tutorial, please pay attention to the php Chinese website.

The above is the detailed content of What to learn when getting started with Python crawler. For more information, please follow other related articles on the PHP Chinese website!