Functions | call by value | call by reference | c++ #coding #tricks

@wings_3031 In this tutorial you will get to know the syntax of function and how to call a function by value and by reference, also you will get to see an example code.

IMPORTANT: I forgot to mention two technical names, please do have a note of them, they might be helpful for your college exams or Technical Q/A interviews or VIVA

---Actual Parameters: Parameters that are mentioned in the Function call.
---Formal Parameters: Parameters that are declared in the called function.