from microbit import *
# spirit level
# get.x measures x=axis acceleration in milli-g

# taken from page 21 of BBC Micro:bit MicroPython PDF (August 2016)
# from https://media.readthedocs.org/pdf/microbit-micropython/latest/microbit-micropython.pdf

# set sensitivity
sens = 20

while True:
    reading = accelerometer.get_x()
    if reading > sens:
        display.show("R")
    if reading < -sens:
        display.show("L")
    if reading < (sens + 1) and reading > (-sens -1):
        display.show("-")