import RPi.GPIO as GPIO
from time import sleep

# Pins for Motor Driver Inputs
sleeper = 21
motor=12
GPIO.setmode(GPIO.BCM)
GPIO.setup(motor,GPIO.OUT)
GPIO.setup(sleeper,GPIO.OUT)  # All pins as Outputs
pwm=GPIO.PWM(motor,100) # configuring Enable pin for PWM
pwm.start(0)
def setup():

def loop():
    # Going forwards
    pwm.ChangeDutyCycle(50)
    sleep(10)
    pwm.ChangeDutyCycle(100)
    sleep(5)
    destroy();
def destroy():
    GPIO.cleanup()
    pwm.ChangeDutyCycle(0)
    GPIO.output(sleeper,GPIO.LOW)

if __name__ == '__main__':     # Program start from here
    setup()
    try:
        loop()
    except KeyboardInterrupt:
        GPIO.output(sleeper,GPIO.LOW)
        pwm.ChangeDutyCycle(0)
        destroy()