from PIL import Image
from PIL import ImageOps
import time


i = 1

while True:

    page = Image.open("bounding_box/input%i.jpg"%i)

    if i % 2 == 0:
        #check where the for loop is
        print("cropping even")

        # left, up, right, bottom
        border = (0, 0, 165, 0)
        finalpage = ImageOps.crop(page, border)
        finalpage.save('cropped/page%i.jpg'%i)

    else:
        #check where the for loop is
        print("cropping odd")

        # left, up, right, bottom
        border = (165, 0, 0, 0)
        finalpage = ImageOps.crop(page, border)
        finalpage.save('cropped/page%i.jpg'%i)

        time.sleep(1)
        print("variable i: ", i)

    i+=1