import time 
from machine import Pin
red=Pin(18, Pin.OUT)
blue=Pin(16, Pin.OUT)
green=Pin(17, Pin.OUT)
button1=Pin(0, Pin.IN, Pin.PULL_UP)
button2=Pin(1, Pin.IN, Pin.PULL_DOWN)
time.sleep(0.1) # Wait for USB to become ready
j=0
previous_j = -1
print("Hello i PI Pico!")
red.value(1)
green.value(1)
blue.value(1)
flag1=False
flag2=False
while True:
    if button1.value()==0 and button2.value()==0:
        flag1=True
    if button1.value()==1 and button2.value()==0 and flag1==True:
        j=j+1
        flag1=False
    if button1.value()==1 and button2.value()==1:
        flag2=True
    if button1.value()==1 and button2.value()==0 and flag2==True:
        j=j-1
        flag2=False
        # Hepsini kapat
    red.value(1)
    green.value(1)
    blue.value(1)
    if j<0:
        j=2
    if j>2:
        j=0
    if j==0:
        red.value(0)
    if j==1:
        green.value(0)
    if j==2:
        blue.value(0)
    
    if j != previous_j:
        print(f"j = {j}")
        previous_j = j