main.py that calls the emoji.py module from https://gist.github.com/microbit-mark/e4c4718a70d3403c193afe7179549155

main.py

from microbit import *
from emoji import *

while True:
    display.show(😃)
    if accelerometer.was_gesture('shake'):
        display.show(😡)
        sleep(2000)
    if button_a.was_pressed():
        display.show(💖)
        sleep(2000)
    elif button_b.was_pressed():
        display.show(🏠)
        sleep(2000)
    sleep(100)