C++ program to display the diamond-like pattern using Friend Function

Write a C++ program to display the diamond-like pattern using the Friend Function.

If we declare a function friend int T4Tutorials_Function(T4Tutorials t);  as a friend in a class T4Tutorials then this function friend int T4Tutorials_Function(T4Tutorials t);  can access the private and protected members of the classT4Tutorials. You must know that a global function can also be declared as a  friend function of the class.C++ program to display the diamond-like pattern

Syntax of friend function in C++

class class_name
{

friend return_type function_name(arguments);

}