Learn
If you want to write code for
Python
Machine learning, AI
Statistics/data analysis
Scientific research
Web application servers
Some microcontrollers
JavaScript/Node JS/TypeScript
Web sites
Web application servers
C#
Games (Unity)
Consumer applications (Windows)
Business applications
C++
Games (Unreal Engine)
Operating systems, device drivers
Microcontrollers/embedded systems
Consumer applications (Linux)
Some more tips:
Do not learn C++ (or any other dialect of C) as a...