What is a function in c++?

Question

Definition of function in C++ and why it is used?

Answer 1

Check out the link below, It might help you.

https://www.guru99.com/cpp-functions.html#:~:text=A%20function%20in%20C%2B%2B%20refers%20to%20a%20group,with%20a%20different%20set%20of%20data%20called%20parameters.