from machine import Pin
from utime import sleep

print("Hello, ESP32!")

led1 = Pin(13, Pin.OUT)
led2 = Pin(27, Pin.OUT)
led3 = Pin(14, Pin.OUT)
led4 = Pin(21, Pin.OUT)
led5 = Pin(17, Pin.OUT)
led6 = Pin(16, Pin.OUT)
led7 = Pin(4, Pin.OUT)
led8 = Pin(2, Pin.OUT)


Enter_btn = Pin(35, Pin.IN)
EXIT_btn = Pin(34, Pin.IN)
Count=0

while True:

    state_enter=Enter_btn.value()
    if state_enter == 1:
        Count += 1
        if Count > 8:
            Count=8
        print("Enter pressed - Count:", Count)
        while Enter_btn.value() == 1:  # Wait for release
            sleep(1)

    state_exit=EXIT_btn.value()    
    if state_exit == 1:   
        Count -= 1 
        if Count < 0:
            Count=0
        print("Exit pressed - Count:", Count)
        while EXIT_btn.value() == 1:  # Wait for release
            sleep(1)        
    
    if Count == 0:
     led1.off()
     led2.off()
     led3.off()
     led4.off()
     led5.off()
     led6.off()
     led7.off()
     led8.off()       
    if Count == 1:
     led1.on()
     led2.off()
     led3.off()
     led4.off()
     led5.off()
     led6.off()
     led7.off()
     led8.off() 
    if Count == 2:
     led1.on()
     led2.on()
     led3.off()
     led4.off()
     led5.off()
     led6.off()
     led7.off()
     led8.off()
    if Count == 3:
     led1.on()
     led2.on()
     led3.on()
     led4.off()
     led5.off()
     led6.off()
     led7.off()
     led8.off()
    if Count == 4:
     led1.on()
     led2.on()
     led3.on()
     led4.on()
     led5.off()
     led6.off()
     led7.off()
     led8.off()
    if Count == 5:
     led1.on()
     led2.on()
     led3.on()
     led4.on()
     led5.on()
     led6.off()
     led7.off()
     led8.off()
    if Count == 6:
     led1.on()
     led2.on()
     led3.on()
     led4.on()
     led5.on()
     led6.on()
     led7.off()
     led8.off()
    if Count == 7:
     led1.on()
     led2.on()
     led3.on()
     led4.on()
     led5.on()
     led6.on()
     led7.on()
     led8.off()
    if Count == 8:
     led1.on()
     led2.on()
     led3.on()
     led4.on()
     led5.on()
     led6.on()
     led7.on()
     led8.on()

sleep(1)