How to run the parser through a proxy?

Question

Parsing

You need to do a program that is written to do parsing, run it through some software that the proxy will give it, the point is to add proxies every day (free), otherwise you don’t want to buy, and proxies with the help of this program were slipped into the parser, or rather, it turns out some mini cloud or something in which the parser will work through this program)

Answer 1

Take any site with free proxies and write a parser for this site, I don’t see any problems in this.

Answer 2

In the settings of your miracle program