from machine import Pin
from utime import sleep

prev_code = -1

sws = [Pin(i, Pin.OUT) for i in range(8)] # list

while True:
    sleep(0.02) # A short delay for starting the system
    code = 0
    for sw in sws:
        if sw.value():
            code += pow(2, sws.index(sw))

    if code != prev_code:
        print(f"Chosen Number: {code}")
        print("")
        prev_code = code
    sleep(0.5)