from machine import Pin
from time import sleep

button_red = Pin(9, Pin.IN, Pin.PULL_UP)
button_black = Pin(3, Pin.IN, Pin.PULL_UP)
Led_red = Pin(27, Pin.OUT)
Led_yellow = Pin(26, Pin.OUT)
Led_green = Pin(18, Pin.OUT)

while True:
    if button_red.value() == 0:
        print ("merah")
        Led_red.value(1)
        Led_red.value(0)
        sleep(1)
        Led_yellow.value(1)
        Led_yellow.value(0)
        sleep(1)
        Led_green.value(1)
        Led_green.value(0)
    
    
    
    if button_black.value() == 0:
        print ("hitam")
        Led_red.value(0)

    sleep(0)