DEMO: A function is a defined block of code that has a specific task.

A function will not run until it is called. You can call a function anywhere in your code after you define it.

• Click Run to see the parts of a function. Follow the onstage directions to complete the demo.
• At the end of the demo, you will be asked to add a call line to the code.
• Click Submit and Next to answer the questions about functions in the next activity.