from machine import Pin
from time import sleep
led1=Pin(5,Pin.OUT)
led2=Pin(17,Pin.OUT)
led3=Pin(16,Pin.OUT)
led4=Pin(4,Pin.OUT)
led5=Pin(2,Pin.OUT)
led6=Pin(15,Pin.OUT)
while(1):
      led1.on()
      led3.on()
      led5.on()
      sleep(1)
      led1.off()
      led3.off()
      led5.off()
      sleep(1)
      led2.on()
      led4.on()
      led6.on()
      sleep(1)
      led2.off()
      led4.off()
      led6.off()
      sleep(1)
      
      

print("hello world")