how to serve web pages on python server [duplicate]

This question already has an answer here:

• Python/Web: What's the best way to run Python on a web server? 6 answers

I'm php guy. I don't know how to create website in python SANIC.

how to include js and css resources in every page.?

In php we write /index.php (example) then to serve pages on user interest.

/index.php
/account.php
/about.php 

any suggestion how can I get started in python.