How work Functions in C++. [1/2]

This tutorial will explain how work Functions in C++.
Function is a self-contained block of statements that performs a coherent task whenever it is called. Once a function has been written to play a particular role, it can be called upon repeatedly throughout the program. The general form of a function is shown above, where the type_specifier specifies the type of the data that the function returns.The parameter list is a comma, seperated by list of variable names and their associated types that receives the values of the arguments when the function is called.
Means to Learn

The general prototype of a function is given in the example. The data type represents the data type of the return value. Return value is the value returned by the function. The function can return only one value atatime.The name represents the name of the function.
Means to Learn