how to make resposive web with python code

I want to make website. It is first time to develope website. I don't have idea. Website will have community and news section. news section includes information which result of ptyhon code. I want to make this web as responsive. Actually I designed homepage with javascript, html, css. But I stuck here. for making community section, I heared that I need bootstrap? and react or vue for responsive web. also django for using python code. and I found they are framework. so, plz help me what I to do.....

I know c, c++,python, java(little)