relay shit

##################################################
#   CHANNEL     RPI pin     wiringPi    BCM
#   CH1         29          P21         5
#   CH2         31          P22         6
#   CH3         33          P23         13
#   CH4         36          P27         16
#   CH5         35          P24         19
#   CH6         38          P28         20
#   CH7         40          P29         21
#   CH8         37          P25         26
##################################################
#!/usr/bin/python
# -*- coding:utf-8 -*-
import RPi.GPIO as GPIO
import time

try:
    RelayChannel = [5,6,13,16,19,20,21,26]
    #RelayState = [0,0,0,0,0,0,0,0]

    GPIO.setwarnings(False)
    GPIO.setmode(GPIO.BCM)

    GPIO.setup(RelayChannel, GPIO.OUT, initial=GPIO.HIGH)

    print("Setup The Relay Module is [success]")

    def OpenRelay(channel):
        GPIO.output(RelayChannel[channel], GPIO.LOW)
        print("Channel ", channel, " open")

    def CloseRelay(channel):
        GPIO.output(RelayChannel[channel], GPIO.HIGH)
        print("Channel ", channel, " close")

    def ToggleRelay(channel):
        if GPIO.input(RelayChannel[channel]) == 0:
            GPIO.output(RelayChannel[channel], GPIO.HIGH)
            print("Channel ", channel, " close")
        else:
            GPIO.output(RelayChannel[channel], GPIO.LOW)
            print("Channel ", channel, " open")

    while True:
        #OpenRelay(1)
        ToggleRelay(1)
        time.sleep(0.5)
        #CloseRelay(1)
        time.sleep(2)


except:
    print("exception")
    GPIO.cleanup()