How to write a crawler in python

How to write a crawler in python: first call the python third-party library "requests" and "lxml"; then use "requests" to request the web page, and "lxml" to parse the requested web page; finally use "print" The statement prints the result.

#How to write a crawler in python?

First call the python third-party library requests, lxml. requests is responsible for requesting web pages, lxml is responsible for parsing the requested web pages, and the final result is printed out using a print statement. Of course, we can also use a database to store the acquired data

Without further ado, let’s just start with the code!

Return results

The above is the detailed content of How to write a crawler in python. For more information, please follow other related articles on the PHP Chinese website!