Nanobit : Example display.Set_Pixel

from microbit import *
while(1):
    for x in range(0,5):
        for y in range(0,5):
            display.set_pixel(x,y,9)
            sleep(100)
    for x in range(0,5):
        for y in range(0,5):
            display.set_pixel(x,y,0)
            sleep(100)