import machine
import time

pin = [23, 22, 21, 19, 18]
ledPin = []

for i in pin:
  ledPin.append(machine.Pin(i, machine.Pin.OUT))

def turnRight(pin):
    for j in pin:
        j.value(1)
        time.sleep(0.2)

    for k in pin:
        k.value(0)

def turnLeft(pin):
    for j in pin[::-1]:
        j.value(1)
        time.sleep(0.2)

    for k in pin:
        k.value(0)

while True:

    
    turnRight(ledPin)
    time.sleep(0.5)
    turnLeft(ledPin)
    time.sleep(0.5)