from machine import Pin
from time import sleep

led_white = Pin(4 ,Pin.OUT)
led_red = Pin(2 ,Pin.OUT)
led_yellow = Pin(19,Pin.OUT)
led_blue = Pin(5,Pin.OUT)
led_green = Pin(18,Pin.OUT)

while True:
    led_green.on()
    led_blue.off()
    led_yellow.off()
    led_red.off()
    led_white.off()
    sleep(1)

    led_green.off()
    led_blue.on()
    led_yellow.off()
    led_red.off()
    led_white.off()
    sleep(1)

    led_green.off()
    led_blue.off()
    led_yellow.on()
    led_red.off()
    led_white.off()
    sleep(1)

    led_green.off()
    led_blue.off()
    led_yellow.off()
    led_red.on()
    led_white.off()
    sleep(1)

    led_green.off()
    led_blue.off()
    led_yellow.off()
    led_red.off()
    led_white.on()
    sleep(1)