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This is Part 3 of a 3 Part series. In this tutorial we put it all together on the series on functions and build functions that we would use as we develop our applications. As we build our functions we utilize conditional statements and loops to make our functions more intelligent as they execute. We demonstrate multiple calls to a function and explain that in many applications functions will run numerous times throughout the execution of the application. We review the syntax of a proper function statement and demonstrate the many different types of data that functions can return. We also discuss the scope of variables located inside of functions.