#NAMA   : IMAM SHANADA
#KELAS  : 5 EC
#NPM    : 062130320084
from machine import Pin
import time
led1 = Pin(16, Pin.OUT)
led2 = Pin(17, Pin.OUT)
led3 = Pin(18, Pin.OUT)

while True:
    led1.value(1)
    led2.value(1)
    led3.value(1)
    time.sleep_ms(2000)
    led1.value(0)
    led2.value(0)
    led3.value(0)
    time.sleep_ms(2000)