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Beginner | MakeCode, Python | Buttons, LED display | Randomisation, Selection, Variables

Step 1: Make it

What is it?

Finding hard to decide or agree on what to do? Let this micro:bit program choose for you!

These two videos show you what you'll make and how to code it:


Coding guide

How it works

  • Pressing button A makes your micro:bit choose a random number between 1 and 6.
  • It stores the number in a variable called random_number.
  • The program tests the random number using selection. Depending on the number, different activities are shown.
  • It doesn't specifically test if the random number is 6 - why is this?

What you need

  • micro:bit (or MakeCode simulator)
  • MakeCode editor
  • battery pack (optional)

Step 2: Code it

1from microbit import *
2import random
4while True:
5    if button_a.is_pressed():
6        random_number = random.randint(1, 6)
7        if random_number == 1:
8            display.scroll('PE with Joe')
9        elif random_number == 2:
10            display.scroll('watch a movie')
11        elif random_number == 3:
12            display.scroll('play a board game')
13        elif random_number == 4:
14            display.scroll('tidy our rooms')
15        elif random_number == 5:
16            display.scroll('play a card game')
17        else:
18            display.scroll('learn a song')

Step 3: Improve it

  • Customise it by putting your own activities in the code.
  • Add more activities.
  • How could you make it less likely that it tells you to tidy your room?