def green_light(): trafficlight = Traffic() trafficlight.setStand(0) trafficlight.update_light() return 'Hello, World!'
def red_light(): trafficlight = Traffic() trafficlight.setStand(3) trafficlight.update_light() return 'Hello, World!'
def amber_light(): trafficlight = Traffic() trafficlight.setStand(1) trafficlight.update_light() return 'Hello, World!'