DEMO: Nesting is the process of placing an if statement or loop inside another if statement or loop.

A nested loop will run completely for every one iteration of the outside loop.

• Click Run to see nested loops run. Follow the onstage directions to complete the demo.
• At the end of the demo, you will be asked a question about nested loops.
• Click Submit and Next to begin refactoring your mosaic code to use nested loops!

To navigate the page using the TAB key, first press ESC to exit the code editor.