GPIO Clock Wise | Python Fiddle

#initialize
import time
import RPI.GPIO as GPIO

GPIO.setmode(GPIO.BOARD)
GPIO.setup(23, GPIO.OUT) # Stepo
GPIO.setup(24, GPIO.OUT) # Direction
input_value = GPIO.input(11) # GPIO.HIGH == 1 and GPIO.LOW == 0
filterValue = 0 # 0 is initialized value
#filterWheelIndex = [“startlocation”,“wavelength1”,”wavelenght2”,”wavelength3”]
filterWheelIndex = [sloc,wlen1,wlen2,wlen3]
#print 'Filter Value currently at:', filterWheelIndex(filterValue)
#print filterWheelIndex(filterValue)
startLocation()

def startLocation():
	 if input_value == 1:
		#print 'Intial location found'
		print 1
		filterValue = 1 # Filter #1 location.
		print  'Filter Value currently at:' + filterWheelIndex(filterValue)
		return 1;
	 elif input_value == 0:
		print 'Continue Turning'
	 else:
		print 'Should never hit else' # elif can be replaced with else. assuming no mistakes

def incrementLocation():
	if filterValue == 2:
        print 'Filter Value currently at:' + filterWheelIndex(filterValue)
        return 0
    else:
        clockwiseRotation(filterValue):
		filterValue = filterValue +1; # can change to include wavelengths based on filterValue number value
		print 'Filter Value currently at:' + filterWheelIndex(filterValue)
    
def clockwiseRotation(number):
	GPIO.output(24, GPIO.LOW)
	i = 0
	for 425 >= i:
		if 425 > i:
			GPIO.output(23, GPIO.HIGH)
			time.sleep(2)
			GPIO.output(23,GPIO.LOW)
			time.sleep(2)
			print 'step number #' + i 
			i = i + 1
		else:
			print 'step number #' + i
			return 1

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