Is It necessary to learn HTML, CSS to create cool games (or apps) with any programming language (for me python) ....????

Question

because In every game or a good program, i have seen HTML, CSS is there...

Answer 1

Yes ,
https://www.quora.com/Do-mobile-developers-need-to-know-HTML-CSS-JavaScript

https://www.quora.com/I-am-new-to-programming-and-want-to-learn-to-develop-apps-Should-I-learn-HTML-Java-or-Swift

Answer 2

no way.

Answer 3

if you use python, install the pygame library to make games. go in cmd and write pip install pygame