Are there bots that interact with websites?

Question

If so, how do they do that?

Answer 1

You can make scripts to interact with websites with python

Answer 2

No doubt there are including the malicious use cases of bots trying to login to various websites to gain access. Have you ever had to answer those 'I am not a bot' questions when logging in online to some sites?

Answer 3

Yes. That are so called agent systems. Interesting field in programming.

Answer 4

yes, but it depends on the complexity of the target server