I have a website that has two host. one of them is for frontend files and some of basic backend for example user information and another host is for main backend files. I need to now what is the best way to connect them together. practically when user input some data that I need them in a code that is in another host what I should to do ? and for output so , how back data that should showed in front for user first host is written with javascirpt and html css and php and second (main back) with python