How to use the traci.trafficlight.getPhase function in traci

def run():
    """execute the TraCI control loop"""
    step = 0
    # we start with phase 2 where EW has green
    traci.trafficlight.setPhase("0", 2)
    while traci.simulation.getMinExpectedNumber() > 0:
        traci.simulationStep()
        if traci.trafficlight.getPhase("0") == 2:
            # we are not already switching
            if traci.inductionloop.getLastStepVehicleNumber("0") > 0:
                # there is a vehicle from the north, switch
                traci.trafficlight.setPhase("0", 3)
            else:
                # otherwise try to keep green for EW
                traci.trafficlight.setPhase("0", 2)
        step += 1
    traci.close()
    sys.stdout.flush()

#print(States_.get_tails())

    state = np.zeros((5,1))

    # state[i,0] = readScreen2.getUpperQlength()
    # state[i,1] = readScreen2.getLowerQlength()
    # state[i,2] = readScreen2.getRightQlength()
    # state[i,3] = readScreen2.getLeftQlength()
    # phase = traci.trafficlight.getPhase("0")
    # state[i,4] = phase
    state[0, 0] = readScreen2.getUpperQlength()
    state[1,0] = readScreen2.getLowerQlength()
    state[2,0] = readScreen2.getRightQlength()
    state[3,0] = readScreen2.getLeftQlength()
    phase = traci.trafficlight.getPhase("0")
    state[4,0] = phase

    #print (state)

    return state

def getUpperLeftPhaseState(transition_time):
    num_lanes = 4
    num_phases = 4
    phase = traci.trafficlight.getPhase("01")
    phaseState = np.zeros((transition_time, num_lanes, num_phases))
    for i in range(transition_time):
        for j in range(num_lanes):
            phaseState[i][j][phase] = 1
    return phaseState

def getPhaseState(transition_time):

    phase_left = traci.trafficlight.getPhase("0")#left and right do
    phase_right = traci.trafficlight.getPhase("10")
    #calculate floor number
    phase = get_floor_number(phase_left,phase_right)

    phaseState = np.zeros((transition_time,num_lanes,num_phases))
    for i in range(transition_time):
        for j in range(num_lanes):
            phaseState[i][j][phase] = 1

    return phaseState

def getState():  # made the order changes
    state = [readscreen3.getLowerQlength() / 80,
             readscreen3.getRightQlength() / 80,
             readscreen3.getUpperQlength() / 80,
             readscreen3.getLeftQlength() / 80,
             traci.trafficlight.getPhase("0")]

    # print (state)

    return state

def getRightPhaseState(transition_time):
    num_lanes = 4
    num_phases = 4
    phase = traci.trafficlight.getPhase("10")
    phaseState = np.zeros((transition_time, num_lanes, num_phases))
    for i in range(transition_time):
        for j in range(num_lanes):
            phaseState[i][j][phase] = 1
    return phaseState

def run(self):
        import traci
        """execute the TraCI control loop"""
        step = 0
        phase = 0
        states = [0,1,2,3,4,5,6,7]
        traci.trafficlight.setPhase("0", 0)
        while traci.simulation.getMinExpectedNumber() > 0:
            
            traci.simulationStep()
            
            action = random.choice(states)
            traci.trafficlight.setPhase("0", action)
            phase = traci.trafficlight.getPhase("0")
            #print(phase)
            # timeout = 0.2
            # print("Time right now - ",step)
            # rlist, wlist, xlist = select([sys.stdin],[],[],timeout)

            # if rlist:
            #     print("Key pressed - ")
            #     print(rlist)
            #     traci.vehicle.addFull(vehID='left_'+str(step),routeID='r0',typeID='car',depart='triggered',departLane='random',departPos='random')
            #     termios.tcflush(sys.stdin,termios.TCIFLUSH)
            '''
            key = fstdscr.getch()
            stdscr.addch(20,25,key)
            stdscr.refresh()

            if key == curses.KEY_RIGHT: 

def makeMoves(leftAction, rightAction, transition_time):
    if leftAction == 1:
        traci.trafficlight.setPhase("0", (int(traci.trafficlight.getPhase("0")) + 1) % 4)
    if rightAction == 1:
        traci.trafficlight.setPhase("10", (int(traci.trafficlight.getPhase("10")) + 1) % 4)

    return getStates(transition_time)