Functions
Built-in Function:
The Phrase "I love UWM" contains 10 characters.
User-Defined Function
2 + 2 = 4
6 + 2 = 8
Definition:
Built-in are blocks of reusable code that perform a specific task. Built-in functions are like code 'strlen', which returns the lenght of the code
User-defined are created by the programmmer to encapsualte a set of statements, which outputs a statement.
