EXPERIMENT 8-CUSTOMIZED LED

# Create a program so that when the user enters ‘b’ two LEDs will blink, ‘g’ the is next two LEDs 
# will illuminate and ‘y’ the four Led will illuminated.

import time
import RPi.GPIO as GPIO

TRUE=1
led1=20
led2=21
led3=22
led4=23
led5=24
led6=25
led7=26
led8=27

my_led=[led1,led2,led3,led4,led5,led6,led7,led8]
GPIO.setmode(GPIO.BCM)
GPIO.setup(led1,GPIO.OUT)
GPIO.setup(led2,GPIO.OUT)
GPIO.setup(led3,GPIO.OUT)
GPIO.setup(led4,GPIO.OUT)
GPIO.setup(led5,GPIO.OUT)
GPIO.setup(led6,GPIO.OUT)
GPIO.setup(led7,GPIO.OUT)
GPIO.setup(led8,GPIO.OUT)

def ledstate(led,a):
    GPIO.output(my_led[led],a)
    
def off_all():
    for i in range (0,8):
        ledstate(i,1)
    
try:
    off_all()
    while TRUE:
        inp = input("Enter your Choice : ")
        if inp == "y":
            off_all()
            GPIO.output(led1, 0)
            GPIO.output(led2, 0)

        elif inp == "g":
            off_all()
            GPIO.output(led3, 0)
            GPIO.output(led4, 0)

        elif inp == "r":
            off_all()
            GPIO.output(led5, 0)
            GPIO.output(led6, 0)

        else:
            print('Invalid Input')
            off_all()

except KeyboardInterrupt:
    RUNNING=False
    print('Quit')
    GPIO.cleanup()