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docs/reference/js/lessons/smiley/quiz.md

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+# smiley quiz
+
+make a smiley face blink #LED #screen #animation #docs
+
+## Name
+
+## 1. Describe what `basic->show animation` does
+
+<br/>
+
+<br/>
+
+## 2. Why is there an extra empty frame after the smiley face?
+
+```
+basic.showAnimation(`
+. # . # . . . . . .
+. # . # . . . . . .
+. . # . . . . . . .
+# . . . # . . . . .
+. # # # . . . . . .
+`, 400)
+```
+
+<br/>
+
+## 3. Change the delay shown from 400 milliseconds to 1000 milliseconds.
+
+```
+basic.showAnimation(`
+. # . # . . . . . .
+. # . # . . . . . .
+. . # . . . . . . .
+# . . . # . . . . .
+. # # # . . . . . .
+`, 400)
+```
+
+<br/>
+
+## 4. Now let's change the delay shown below from 400 milliseconds to 2.5 seconds.
+
+```
+basic.showAnimation(`
+. # . # . . . . . .
+. # . # . . . . . .
+. . # . . . . . . .
+# . . . # . . . . .
+. # # # . . . . . .
+`, 400)
+```
+
+<br/>
+