from machine import Pin
from utime import sleep
print("TEST")
ledPin=[Pin(5, Pin.OUT), Pin(18, Pin.OUT), Pin(19 ,Pin.OUT)]
delay=[1,2,3,4]
rounds = 3
for round in range(rounds):
for i in range(4):
ledPin[0].value(1)
ledPin[1].value(1)
ledPin[2].value(1)
sleep(delay[i])
ledPin[0].value(0)
ledPin[1].value(0)
ledPin[2].value(0)
sleep(0.5)