Untitled

import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup(7,GPIO.OUT)
GPIO.setup(11,GPIO.IN)
while(1):
    if(GPIO.input(11)==1):
        for i in range(3):
            GPIO.output(7,GPIO.HIGH)
            time.sleep(1)
            GPIO.output(7,GPIO.LOW)
            time.sleep(1)
        print("Press Button")