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#disable warnings (optional)
GPIO.setwarnings(False)
#Select GPIO Mode
GPIO.setmode(GPIO.BCM)
#set red,green and blue pins
redPin = 12
greenPin = 19
bluePin = 13
#set pins as outputs
GPIO.setup(redPin,GPIO.OUT)
GPIO.setup(greenPin,GPIO.OUT)
GPIO.setup(bluePin,GPIO.OUT)

def turnOff():
    GPIO.output(redPin,GPIO.HIGH)
    GPIO.output(greenPin,GPIO.HIGH)
    GPIO.output(bluePin,GPIO.HIGH)
    
def white():
    GPIO.output(redPin,GPIO.LOW)
    GPIO.output(greenPin,GPIO.LOW)
    GPIO.output(bluePin,GPIO.LOW)
    
def red():
    GPIO.output(redPin,GPIO.LOW)
    GPIO.output(greenPin,GPIO.HIGH)
    GPIO.output(bluePin,GPIO.HIGH)

def green():
    GPIO.output(redPin,GPIO.HIGH)
    GPIO.output(greenPin,GPIO.LOW)
    GPIO.output(bluePin,GPIO.HIGH)
    
def blue():
    GPIO.output(redPin,GPIO.HIGH)
    GPIO.output(greenPin,GPIO.HIGH)
    GPIO.output(bluePin,GPIO.LOW)
    
def yellow():
    GPIO.output(redPin,GPIO.LOW)
    GPIO.output(greenPin,GPIO.LOW)
    GPIO.output(bluePin,GPIO.HIGH)
    
def purple():
    GPIO.output(redPin,GPIO.LOW)
    GPIO.output(greenPin,GPIO.HIGH)
    GPIO.output(bluePin,GPIO.LOW)
    
def lightBlue():
    GPIO.output(redPin,GPIO.HIGH)
    GPIO.output(greenPin,GPIO.LOW)
    GPIO.output(bluePin,GPIO.LOW)
    
while True:
    turnOff()
    sleep(1) #1second
    white()
    sleep(1)
    red()
    sleep(1)
    green()
    sleep(1)
    blue()
    sleep(1)
    yellow()
    sleep(1)
    purple()
    sleep(1)
    lightBlue()
    sleep(1)