Which is the best programming language for future?
I guess Python
Any compiled language?
It depends on what you are asking for. Today, 7 programming languages are popular like Swift, Kotlin, Dart, C++, Python, Solidity, Go.
What about asp.net core c # Blazor?
I think python and java would be best in 2020 as the syntax of python is easy and java is secure and easy to use language.