import time
import random
from machine import Pin
time.sleep(0.1) # Wait for USB to become ready


def ledoff():
    led1.off()
    led2.off()
    led4.off()
    led8.off()

led1 = Pin(1 , Pin.OUT)
led2 = Pin(5 , Pin.OUT)
led4 = Pin(9 , Pin.OUT)
led8 = Pin(13 , Pin.OUT)

while True:
    tal = int(input("Indtast et tal mellem 0 og 15"))
    if tal >15 or tal < 0:
        led1.on()
        time.sleep(0.5)
        led2.on()
        time.sleep(0.5)
        led4.on()
        time.sleep(0.5)
        led8.on()
        time.sleep(0.5)
        ledoff()
    elif tal == 0:
        ledoff()
    elif tal ==1:
        ledoff()
        led1.on()
    elif tal ==2:
        ledoff()
        led2.on()
    elif tal ==3:
        ledoff()
        led1.on()
        led2.on()
    elif tal == 4:
        ledoff()
        led4.on()
    elif tal == 5:
        ledoff()
        led1.on()
        led4.on()
    elif tal == 6:
        ledoff()
        led2.on()
        led4.on()
    elif tal == 7:
        ledoff()
        led1.on()
        led2.on()
        led4.on()
    else:
        ledoff()
        led2.on()
        time.sleep(0.5)
        ledoff()
        led4.on()
        time.sleep(0.5)
        exit