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1# Python uses nanoteslas to measure magnetism.
2# Experiment with different numbers depending on the
3# strength of your magnet, which you can read by 
4# pressing button A.
5
6from microbit import *
7
8while True:
9    if button_a.was_pressed():
10        display.scroll(compass.get_field_strength())
11    if compass.get_field_strength() < 200000:
12        display.show(Image.ANGRY)

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