pxt-calliope/olddocs/lessons/love-meter/quiz-answers.md
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love meter blocks quiz answers

The answers to the love meter quiz.

This is the answer key for the love meter quiz.

1. What does on pin pressed(P0) do?


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.

2. Write the code.

Create a condition for on pin pressed (P0).

input.onPinPressed(TouchPin.P0, () => {
    
})

3. What does this line of code doing?

let x = Math.random(9)

It stores random number between 0 and 9 then stores that number in a variable.

4. Why do you have to add 1 to variable x?

let item = 0;
item = 0;
basic.showNumber(item + 1);

You have to add 1 if you want to generate a random number between 1 and 10 .

5. Why do you have to hold ground (GND) to make this work on the micro:bit?

You have told GND to complete the circuit.