Traceback (most recent call last): File "simon.py", line 44, in <module> main() File "simon.py", line 43, in main level() File "simon.py", line 31, in level levelgen() File "simon.py", line 28, in levelgen levelNum += 1 UnboundLocalError: local variable 'levelNum' referenced before assignment

gistfile1.txt

import RPi.GPIO as GPIO
import random
import time

levelNum = 0
#global levelNum

GPIO.setmode(GPIO.BOARD)

GPIO.setup(21, GPIO.IN)
GPIO.setup(22, GPIO.IN)
GPIO.setup(23, GPIO.IN)
GPIO.setup(24, GPIO.IN)

GPIO.setup(11, GPIO.OUT)
GPIO.setup(13, GPIO.OUT)
GPIO.setup(16, GPIO.OUT)
GPIO.setup(18, GPIO.OUT)

buttons = {1:22, 2:24, 3:23, 4:21}
lights = {1:16, 2:18, 3:13, 4:11}
input = {1:False, 2:False, 3:False, 4:False}

beeps = [random.randrange(1, 5, 1)]

def levelgen():
        beeps.append(random.randrange(1, 5, 1))
        levelNum += 1

def level():
        levelgen()
        for i in beeps:
                GPIO.output(lights[i], GPIO.HIGH)
                time.sleep(0.5)
                GPIO.outut(lights[1], GPIO.LOW)
def main():
        while True:
                #print GPIO.input(22)
                #print random.randrange(1, 5, 1)        
                for i in range(1,5):
                        input[i] = GPIO.input(buttons[i])
                        GPIO.output(lights[i], not  GPIO.input(buttons[i]))
                level()
main()