from TV import TV

def main():
    tv1 = TV()
    tv1.turnOn()
    tv1.setChannel(30)
    tv1.setVolume(3)
    
    tv2 = TV()
    tv2.turnOn()
    tv2.channelUp()
    tv2.channelUp()
    tv2.volumeUp()
    
    print("tv1's channel is", tv1.getChannel(), 
        "and volume level is", tv1.getVolumeLevel())
    print("tv2's channel is", tv2.getChannel(),
        "and volume level is", tv2.getVolumeLevel())

main() # Call the main function