There are lots of guides online, how do you want to use it? The answer of how to use python will vary a lot depending on how you want to use it. to get started you can probably just google how to download python first.
How would you like to use the numerous guides available online? I used to read articles about this. I remember that checking your software for potential errors using automation testing is one option. At Andersen IT, it is accomplished by comparing your code to a set of well-known rules using specialized tools. The automation testing will flag something if it is incorrect. The product is checked for errors manually by QA engineers from Andersen IT. Using specially created scripts, automation testing is a method of testing software in the USA. The Andersen IT QA automation engineers who are in charge of making sure that the software is properly tested are the ones who write these scripts.