2016-03-26 00:47:20 +01:00
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# love meter blocks quiz answers
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The answers to the love meter quiz.
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This is the answer key for the [love meter quiz](/microbit/lessons/love-meter/quiz).
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## 1. What does `on pin pressed(P0)` do?
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<br/>
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It's a method that runs code when the user holds the GND pin with a finger of one hand and presses pin P0, completing a circuit.
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## 2. Write the code.
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Create a condition for `on pin pressed (P0)`.
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2016-03-29 20:57:50 +02:00
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```blocks
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input.onPinPressed(TouchPin.P0, () => {
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})
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```
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2016-03-26 00:47:20 +01:00
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## 3. What does this line of code doing?
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<br/>
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It stores random number between 0 and 9 then stores that number in a variable.
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## 4. Why do you have to add 1 to variable x?
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<br/>
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You have to add 1 if you want to generate a random number between 1 and 10 .
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## 5. Why do you have to hold ground (GND) to make this work on the micro:bit?
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<br/>
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You have told GND to complete the circuit.
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