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1from microbit import *
2maxSound = 0
3lights = Image("11111:"
4              "11111:"
5              "11111:"
6              "11111:"
7              "11111")
8# ignore first sound level reading
9soundLevel = microphone.sound_level()
10sleep(200)
11
12while True:
13    if button_a.is_pressed():
14        display.scroll(maxSound)
15    else:
16        soundLevel = microphone.sound_level()
17        display.show(lights * soundLevel)
18        if soundLevel > maxSound:
19            maxSound = soundLevel
20            

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