Is it worth learning C++ if you are not going to use it professionally?

Yes, learning C++ can be worth it even if you are not planning to use it professionally. C++ is a powerful and widely used programming language that can help you develop a deep understanding of programming concepts such as memory management, data structures, and algorithms. It is also used extensively in the development of operating systems, game engines, and other high-performance applications.
Even if you don't plan to use C++ professionally, learning it can broaden your knowledge and skills as a programmer, and help you understand how different programming languages and paradigms work. This knowledge can be useful in other programming contexts, and may help you become a more versatile and adaptable programmer.
In addition, learning C++ can also be a fun and rewarding experience, as it allows you to create complex and sophisticated programs, and solve challenging problems. So, if you have an interest in programming and enjoy learning new things, learning C++ can definitely be worth it, even if you don't plan to use it professionally.