I have created my front end using HTML, CSS, Javascript.
i want to connect it with python backend, HOW DO I DO THAT ?
Yeah, this was a logical leap for me when I started. There are a couple of different ways to do it, but the most common would be to have your f/e make http API calls to the server to give/get information.
I think Ajax and Json might come in handy in this case scenario, i suggest you go through this https://www.w3schools.com/js/js_ajax_intro.asp it might get you towards where you are going