# screen wipe quiz answers clear the screen by pressing the "A" button after an animation has been played. This is the answer key for the [screen wipe quiz](/lessons/screen-wipe/quiz). ## 1. What does the function "clear screen" do on the @boardname@? This function turns off all the LED lights on the LED screen. ## 2. Write the line of code that creates and displays this animation. ![](/static/mb/lessons/screen-wipe-0.png) <br/> ``` basic.showAnimation(` # # # # . # # # # # . . . . . . . . . . # # # # # # # # # # . . . . . . . . . . . . . . . # # # # # # # # # # . . . . . . . . . . # # # # # # # # # # # # # # # . . . . . . . . . . . . . . . # # # # # `, 400) ``` ## 3. Write the condition that will detect when the @boardname@ is shaken. <br/> ``` input.onGesture(Gesture.Shake, () => { }) ``` ## 4. Write the code that will clear an animation from the screen after shaking the @boardname@. <br/> ``` input.onGesture(Gesture.Shake, () => { basic.clearScreen() }) ```