// If you have some code section which is // duplicated in program several times // then it means your program needs some // functions! fn doSomeWork() { printline("Some work"); } // If the function makes some kind of // calculations then you should specify // the result type fn sum(int a, int b) int { return a + b; } // The `return` keyword can be used to // actually return the value from the // function. Also, you can specify list // of arguments that you will use inside // the function int first = 5; int second = 6; int result = sum(first, second); printline(result);