from time import sleep
sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")

from machine import Pin
redCar = Pin(18, Pin.OUT)
yellowCar = Pin(17, Pin.OUT)
greenCar = Pin(16, Pin.OUT)
redH = Pin(20, Pin.OUT)
greenH = Pin(19, Pin.OUT)

button = Pin(15, Pin.IN, Pin.PULL_DOWN)



while True:
    b_state = button.value()
    if b_state:
        redCar.on()
   else:
        redCar.off()
        greenCar.on()
        greenH.off()
        redH.on()
        yellowCar.off()
    '''
    #green on
        redH.on()
        greenH.off()
        greenCar.on()
        sleep(3)
        # моргание зелёного
        greenCar.off()
        sleep(0.5)
        greenCar.on()
        sleep(0.5)
        greenCar.off()
        sleep(0.5)
        greenCar.on()
        sleep(0.5)
        greenCar.off()
        # yellow on
        yellowCar.on()
        sleep(1)
        # red on
        redH.off()
        greenH.on()
        redCar.on()
        yellowCar.off()
        greenCar.off()
        sleep(4)
        # yellow on
        yellowCar.on()
        sleep(2)
        redCar.off()
        yellowCar.off()
        '''